idklol

cat-town/.gitignore

@@ -0,0 +1,3 @@
+/node_modules/
+/src/*.js
+/dist/

cat-town/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "cat-town",
+  "version": "0.1.0",
+  "private": true,
+  "main": "index.js",
+  "scripts": {
+    "webpack": "webpack",
+    "dev": "webpack serve --config webpack.development.js",
+    "start": "npm run dev",
+    "build:dev": "webpack --config webpack.development.js",
+    "build:prod": "webpack --config webpack.production.js"
+  },
+  "devDependencies": {
+    "@excaliburjs/testing": "^0.25.1",
+    "clean-webpack-plugin": "^3.0.0",
+    "compression-webpack-plugin": "^7.1.2",
+    "html-webpack-plugin": "^5.5.0",
+    "source-map-loader": "^2.0.2",
+    "terser-webpack-plugin": "^5.3.6",
+    "ts-loader": "^9.4.2",
+    "typescript": "^4.9.4",
+    "webpack": "^5.75.0",
+    "webpack-cli": "^4.10.0",
+    "webpack-dev-server": "^4.11.1",
+    "webpack-merge": "^5.8.0"
+  },
+  "dependencies": {
+    "excalibur": "^0.27.0"
+  }
+}

cat-town/src/actors/player.ts

@@ -0,0 +1,17 @@
+import { Actor, Color, vec } from 'excalibur'
+import { Resources } from '../resources'
+
+export class Player extends Actor {
+  constructor() {
+    super({
+      pos: vec(150, 150),
+      width: 25,
+      height: 25,
+      color: new Color(255, 100, 100)
+    })
+  }
+
+  onInitialize() {
+    this.graphics.use(Resources.Cat.toSprite())
+  }
+}

cat-town/src/cat.ts

@@ -0,0 +1,16 @@
+// type Cat = {
+//   name string;
+//   years int;
+//   centimeters int;
+//   kilograms int;
+//   coloring Coloring;
+//   pattern Pattern;
+//   mood Mood;
+// };
+// 
+// type Coloring = 'orange' | 'black' | 'brown' | 'blue';
+// 
+// type Pattern = 'plain' | 'striped' | 'spotted';
+// 
+// type Mood = 'happy' | 'sad' | 'purring' |
+//   'screaming' | 'mad' | 'scratchy' | 'curious' | 'concerned';

cat-town/src/index.ts

@@ -0,0 +1,30 @@
+import { Engine, Loader, DisplayMode } from 'excalibur'
+import { Beginning } from './scenes/beginning'
+import { Player } from './actors/player'
+import { Resources } from './resources'
+
+class Game extends Engine {
+  private player: Player
+  private beginning: Beginning
+
+  constructor() {
+    super({ displayMode: DisplayMode.FitScreen })
+  }
+
+  public start() {
+    this.beginning = new Beginning()
+    this.player = new Player()
+    this.beginning.add(this.player)
+
+    game.add('beginning', this.beginning)
+
+    const loader = new Loader(Object.values(Resources))
+
+    return super.start(loader)
+  }
+}
+
+const game = new Game()
+game.start().then(() => {
+  game.goToScene('beginning')
+})

cat-town/src/resources.ts

@@ -0,0 +1,8 @@
+import { ImageSource } from 'excalibur'
+import catImage from './images/cat.png'
+
+const Resources = {
+  Cat: new ImageSource(catImage)
+}
+
+export { Resources }

cat-town/src/scenes/beginning.ts

@@ -0,0 +1,7 @@
+import { Engine, Scene } from 'excalibur'
+
+export class Beginning extends Scene {
+  public onInitialize(engine: Engine) {}
+  public onActivate() {}
+  public onDeactivate() {}
+}

cat-town/src/town.ts

@@ -0,0 +1,22 @@
+// type Town = {
+//   grid Grid;
+// };
+// 
+// type Grid = {
+//   squares Map<Coords, Square>;
+// };
+// 
+// type Coords = {
+//   x int;
+//   y int;
+// };
+// 
+// type Square = {
+//   description string;
+//   things Map<string, Thing>;
+// };
+// 
+// type Thing = {
+//   name string;
+//   description string;
+// };

cat-town/tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "allowSyntheticDefaultImports": true,
+    "moduleResolution": "node",
+    "sourceMap": true,
+    "target": "es2017",
+    "module": "es6",
+    "types": ["excalibur"],
+    "outDir": "./dist/",
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true,
+    "skipLibCheck": true
+  }
+}

cat-town/webpack.common.js

@@ -0,0 +1,47 @@
+const path = require("path");
+const { CleanWebpackPlugin } = require("clean-webpack-plugin");
+const HtmlWebPackPlugin = require("html-webpack-plugin");
+
+module.exports = {
+  entry: "./src/index.ts",
+  target: "web",
+  output: {
+    filename: '[name].js',
+    sourceMapFilename: "[file].map",
+    path: path.resolve(__dirname, "dist"),
+  },
+  devtool: "source-map",
+  module: {
+    rules: [
+      {
+        test: /\.(png|svg|jpg|jpeg|gif)$/i,
+        type: "asset/resource"
+      },
+      {
+        test: /\.js$/,
+        use: ["source-map-loader"],
+        exclude: [path.resolve(__dirname, "node_modules/excalibur")],
+        enforce: "pre",
+      },
+      {
+        test: /\.tsx?$/,
+        use: "ts-loader",
+        exclude: /node_modules/,
+      },
+    ],
+  },
+  resolve: {
+    extensions: [".tsx", ".ts", ".js"],
+  },
+  optimization: {
+    splitChunks: {
+      chunks: "all",
+    },
+  },
+  plugins: [
+    new CleanWebpackPlugin(),
+    new HtmlWebPackPlugin({
+      title: "Cat Town",
+    }),
+  ],
+};

cat-town/webpack.development.js

@@ -0,0 +1,12 @@
+const { merge } = require("webpack-merge");
+const common = require("./webpack.common");
+
+module.exports = merge(common, {
+  mode: "development",
+  devtool: "inline-source-map",
+  devServer: {
+    static: {
+      directory: "./dist",
+    },
+  },
+});

cat-town/webpack.production.js

@@ -0,0 +1,13 @@
+const { merge } = require("webpack-merge");
+const CompressionWebpackPlugin = require("compression-webpack-plugin");
+const TerserPlugin = require("terser-webpack-plugin");
+const common = require("./webpack.common");
+
+module.exports = merge(common, {
+  mode: "production",
+  optimization: {
+    minimize: true,
+    minimizer: [new TerserPlugin()],
+  },
+  plugins: [new CompressionWebpackPlugin()],
+});

leetcode/.gitignore

@@ -1 +0,0 @@
-.envrc

leetcode/.python-version

@@ -1 +0,0 @@
-3.12.0

leetcode/pyproject.toml

@@ -1,160 +0,0 @@
-[build-system]
-requires = ["hatchling"]
-build-backend = "hatchling.build"
-
-[project]
-name = "leetcode"
-description = 'What A Mess'
-readme = "README.md"
-version = "0.1.0"
-requires-python = ">=3.7"
-license = "MIT"
-keywords = []
-authors = [
-  { name = "Dan Buch", email = "dan@meatballhat.com" },
-]
-classifiers = [
-  "Development Status :: 4 - Beta",
-  "Programming Language :: Python",
-  "Programming Language :: Python :: 3.7",
-  "Programming Language :: Python :: 3.8",
-  "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
-  "Programming Language :: Python :: 3.11",
-  "Programming Language :: Python :: Implementation :: CPython",
-  "Programming Language :: Python :: Implementation :: PyPy",
-]
-dependencies = [
-  "ipython",
-  "ipdb"
-]
-
-[project.urls]
-Documentation = "https://github.com/unknown/leetcode#readme"
-Issues = "https://github.com/unknown/leetcode/issues"
-Source = "https://github.com/unknown/leetcode"
-
-[tool.hatch.envs.default]
-dependencies = [
-  "coverage[toml]>=6.5",
-  "pytest",
-]
-[tool.hatch.envs.default.scripts]
-test = "pytest {args:tests}"
-test-cov = "coverage run -m pytest {args:tests}"
-cov-report = [
-  "- coverage combine",
-  "coverage report",
-]
-cov = [
-  "test-cov",
-  "cov-report",
-]
-
-[[tool.hatch.envs.all.matrix]]
-python = ["3.7", "3.8", "3.9", "3.10", "3.11"]
-
-[tool.hatch.envs.lint]
-detached = true
-dependencies = [
-  "black>=23.1.0",
-  "mypy>=1.0.0",
-  "ruff>=0.0.243",
-]
-[tool.hatch.envs.lint.scripts]
-typing = "mypy --install-types --non-interactive {args:.}"
-style = [
-  "ruff {args:.}",
-  "black --check --diff {args:.}",
-]
-fmt = [
-  "black {args:.}",
-  "ruff --fix {args:.}",
-  "style",
-]
-all = [
-  "style",
-  "typing",
-]
-
-[tool.black]
-target-version = ["py37"]
-line-length = 90
-
-[tool.ruff]
-target-version = "py37"
-line-length = 90
-select = [
-  "A",
-  "ARG",
-  "B",
-  "C",
-  "DTZ",
-  "E",
-  "EM",
-  "F",
-  "FBT",
-  "I",
-  "ICN",
-  "ISC",
-  "N",
-  "PLC",
-  "PLE",
-  "PLR",
-  "PLW",
-  "Q",
-  "RUF",
-  "S",
-  "T",
-  "TID",
-  "UP",
-  "W",
-  "YTT",
-]
-ignore = [
-  # Allow non-abstract empty methods in abstract base classes
-  "B027",
-  # Allow boolean positional values in function calls, like `dict.get(... True)`
-  "FBT003",
-  # Ignore checks for possible passwords
-  "S105", "S106", "S107",
-  # Ignore complexity
-  "C901", "PLR0911", "PLR0912", "PLR0913", "PLR0915",
-  # Allow print func
-  "T201",
-  # Allow assert statements
-  "S101",
-]
-unfixable = [
-  # Don't touch unused imports
-  "F401",
-]
-
-[tool.ruff.isort]
-known-first-party = ["leetcode"]
-
-[tool.ruff.flake8-tidy-imports]
-ban-relative-imports = "all"
-
-[tool.ruff.per-file-ignores]
-# Tests can use magic values, assertions, and relative imports
-"tests/**/*" = ["PLR2004", "S101", "TID252"]
-
-[tool.coverage.run]
-source_pkgs = ["leetcode", "tests"]
-branch = true
-parallel = true
-omit = [
-  "src/leetcode/__about__.py",
-]
-
-[tool.coverage.paths]
-leetcode = ["src/leetcode", "*/leetcode/src/leetcode"]
-tests = ["tests", "*/leetcode/tests"]
-
-[tool.coverage.report]
-exclude_lines = [
-  "no cov",
-  "if __name__ == .__main__.:",
-  "if TYPE_CHECKING:",
-]

leetcode/roman.py

@@ -1,57 +0,0 @@
-SIMPLE = {
-    "I": 1,
-    "V": 5,
-    "X": 10,
-    "L": 50,
-    "C": 100,
-    "D": 500,
-    "M": 1000,
-}
-SIMPLE_REVERSE = {v: k for k, v in SIMPLE.items()}
-COMPOUND = {
-    "IV": 4,
-    "IX": 9,
-    "XL": 40,
-    "XC": 90,
-    "CD": 400,
-    "CM": 900,
-}
-PREFIXES = {k[0] for k in COMPOUND.keys()}
-COMPOUND_REVERSE = {v: k for k, v in COMPOUND.items()}
-ALL = SIMPLE | COMPOUND
-ALL_REVERSE = {v: k for k, v in ALL.items()}
-
-
-def i2r(i: int) -> str:
-    if i > 100_000:
-        raise ValueError(f"{i} is too silly")
-
-    r: list[str] = []
-
-    for int_val, roman_val in sorted(ALL_REVERSE.items(), reverse=True):
-        remainder = i % int_val
-
-        r += [roman_val] * int((i - remainder) / int_val)
-
-        i = remainder
-
-    return "".join(r)
-
-
-def r2i(r: str) -> int:
-    total = 0
-    offset = 0
-
-    for i in range(len(r)):
-        if i + offset > len(r) - 1:
-            break
-
-        c = r[i + offset]
-        if c in PREFIXES and (i + offset + 1) < len(r) and c + r[i + offset + 1] in ALL:
-            total += ALL[c + r[i + offset + 1]]
-            offset += 1
-            continue
-
-        total += ALL[c]
-
-    return total

leetcode/spiral_matrix.py

@@ -1,57 +0,0 @@
-import itertools
-import typing
-
-
-def matrix_spiral(matrix: list[list[typing.Any]]) -> list[typing.Any]:
-    return [matrix[y][x] for x, y in matrix_spiral_path(matrix)]
-
-
-def matrix_spiral_path(matrix: list[list[int]]) -> list[tuple[int, int]]:
-    snek = SpinSnek(matrix)
-
-    while snek.step():
-        ...
-
-    return snek.path
-
-
-COMPASS = (
-    (1, 0),  # east
-    (0, 1),  # south
-    (-1, 0),  # west
-    (0, -1),  # north
-)
-
-
-class SpinSnek:
-    def __init__(self, board: list[list[int]], loc: tuple[int, int] = (0, 0)):
-        self.max_loc: tuple[int, int] = (len(board[0]) - 1, len(board) - 1)
-        self.spinner: itertools.cycle[tuple[int, int]] = itertools.cycle(COMPASS)
-        self.direction = next(self.spinner)
-        self.path: list[tuple[int, int]] = [loc]
-        self.missteps: int = 0
-
-    def step(self) -> bool:
-        loc = self.path[-1]
-        next_loc: tuple[int, int] = (
-            loc[0] + self.direction[0],
-            loc[1] + self.direction[1],
-        )
-
-        if (
-            next_loc[0] > self.max_loc[0]
-            or next_loc[1] > self.max_loc[1]
-            or next_loc[0] < 0
-            or next_loc[1] < 0
-            or next_loc in self.path
-        ):
-            self.direction = next(self.spinner)
-            if self.missteps > len(COMPASS) - 1:
-                return False
-
-            self.missteps += 1
-            return self.step()
-
-        self.missteps: int = 0
-        self.path.append(next_loc)
-        return True

leetcode/stdlib.py

@@ -1,124 +0,0 @@
-import typing
-
-
-class LinkedListNode(typing.Protocol):
-    val: int
-    next: typing.Optional["LinkedListNode"]
-
-
-class ListNode:
-    """ListNode is the leetcode "standard library" type used in linked lists"""
-
-    def __init__(self, val: int = 0, next: typing.Optional["ListNode"] = None):  # no qa
-        self.val = val
-        self.next = next
-
-
-class BinaryTreeNode(typing.Protocol):
-    val: int
-    left: typing.Optional["BinaryTreeNode"]
-    right: typing.Optional["BinaryTreeNode"]
-
-
-class TreeNode:
-    """TreeNode is the leetcode "standard library" type used in binary trees"""
-
-    def __init__(
-        self,
-        val: int = 0,
-        left: typing.Optional["TreeNode"] = None,
-        right: typing.Optional["TreeNode"] = None,
-    ):
-        self.val = val
-        self.left = left
-        self.right = right
-
-    @classmethod
-    def from_int(cls, val: int | None) -> typing.Optional["TreeNode"]:
-        if val is None:
-            return None
-
-        return TreeNode(val)
-
-    # __repr__ was added by me
-    def __repr__(self) -> str:
-        filtered_parts = []
-
-        for key, value in [
-            ("val", self.val),
-            ("left", self.left),
-            ("right", self.right),
-        ]:
-            if value is not None:
-                filtered_parts.append((key, value))
-
-        middle = ", ".join([f"{k}={v!r}" for k, v in filtered_parts])
-
-        return f"TreeNode({middle})"
-
-    # __eq__ was added by me
-    def __eq__(self, other: typing.Optional["TreeNode"]) -> bool:
-        return (
-            other is not None
-            and self.val == other.val
-            and self.left == other.left
-            and self.right == other.right
-        )
-
-
-class ConnectableBinaryTreeNode(typing.Protocol):
-    val: int
-    left: typing.Optional["BinaryTreeNode"]
-    right: typing.Optional["BinaryTreeNode"]
-    next: typing.Optional["BinaryTreeNode"]
-
-
-class Node:
-    """Node is the *other* leetcode "standard library" type used in binary trees"""
-
-    def __init__(
-        self,
-        val: int = 0,
-        left: typing.Optional["Node"] = None,
-        right: typing.Optional["Node"] = None,
-        next: typing.Optional["Node"] = None,  # no qa
-    ):
-        self.val = val
-        self.left = left
-        self.right = right
-        self.next = next
-
-    # __repr__ was added by me
-    def __repr__(self) -> str:
-        filtered_parts = []
-
-        for key, value in [
-            ("val", self.val),
-            ("right", self.right),
-            ("left", self.left),
-            ("next", self.next),
-        ]:
-            if value is not None:
-                filtered_parts.append((key, value))
-
-        middle = ", ".join([f"{k}={v!r}" for k, v in filtered_parts])
-
-        return f"Node({middle})"
-
-    # __eq__ was added by me
-    def __eq__(self, other: "Node") -> bool:
-        return (
-            other is not None
-            and self.val == other.val
-            and self.left == other.left
-            and self.right == other.right
-            and self.next == other.next
-        )
-
-    # __list__ was added by me
-    def __list__(self) -> list[int | None]:
-        ret = [self.val]
-        ret += self.right.__list__() if self.right is not None else [None]
-        ret += self.left.__list__() if self.left is not None else [None]
-        ret += self.next.__list__() if self.next is not None else [None]
-        return ret

leetcode/stuff.py

@@ -1,447 +0,0 @@
-import copy
-import random
-import typing
-
-import stdlib
-
-
-def yep(s: str) -> bool:
-    return s.strip().lower().startswith("y")
-
-
-def guess_bisect_repl(lower: int, upper: int) -> int:
-    mid = lower + ((upper - lower) // 2)
-
-    if yep(input(f"is it {mid}? ")):
-        return mid
-
-    if yep(input(f"higher than {mid}? ")):
-        return guess_bisect_repl(mid, upper)
-
-    return guess_bisect_repl(lower, mid)
-
-
-def find_sqrt_ish(n: int) -> int:
-    return int(find_bisect(0, n, gen_sqrt_check(n)))
-
-
-def gen_sqrt_check(n: int) -> typing.Callable[[float], int]:
-    def check(mid: float) -> int:
-        mid_sq: float = mid * mid
-
-        if mid_sq == n:
-            return 0
-
-        if mid_sq < n:
-            return 1
-
-        return -1
-
-    return check
-
-
-def find_bisect(
-    lower: float, upper: float, check: typing.Callable[[float], int]
-) -> float:
-    mid: float = lower + ((upper - lower) / 2)
-
-    print(f"lower={lower} mid={mid} upper={upper}")
-
-    if mid == lower or mid == upper or check(mid) == 0:
-        return mid
-
-    if check(mid) == 1:
-        return find_bisect(mid, upper, check)
-
-    return find_bisect(lower, mid, check)
-
-
-def cartesian_path(p0: tuple[int, int], p1: tuple[int, int]) -> list[tuple[int, int]]:
-    path: list[tuple[int, int]] = []
-
-    if p0 < p1:
-        for i in range(p0[1], p1[1]):
-            path.append((i, p0[0]))
-
-        for i in range(p0[0], p1[0]):
-            path.append((p1[1], i))
-
-    else:
-        for i in range(p0[1], p1[1] - 1, -1):
-            path.append((i, p0[0]))
-
-        for i in range(p0[0] - 1, p1[0], -1):
-            path.append((p1[1], i))
-
-    return path
-
-
-def gen_matrix(width: int, height: int) -> list[list[int]]:
-    return [list(range(width)) for _ in range(height)]
-
-
-class MinStack:
-    def __init__(self):
-        self._v: list[int] = []
-        self._min: list[int] = []
-
-    def push(self, val: int) -> None:
-        self._v.append(val)
-        self._min.append(min(val, self._min[-1] if self._min else val))
-
-    def pop(self) -> None:
-        self._v.pop(-1)
-        self._min.pop(-1)
-
-    def top(self) -> int:
-        return self._v[-1]
-
-    def getMin(self) -> int:  # no qa
-        return self._min[-1]
-
-
-def linked_list_to_list(head: stdlib.LinkedListNode | None) -> list[int]:
-    seen: set[int] = set()
-    ret: list[int] = []
-
-    while head is not None:
-        if hash(head) in seen:
-            return ret
-
-        seen.add(hash(head))
-        ret.append(head.val)
-        head = head.next
-
-    return ret
-
-
-def sort_linked_list(head: stdlib.LinkedListNode | None) -> stdlib.LinkedListNode | None:
-    by_val: list[tuple[int, stdlib.LinkedListNode]] = []
-    ret: stdlib.LinkedListNode | None = None
-
-    while head is not None:
-        by_val.append((head.val, head))
-        head = head.next
-
-    cur = ret
-
-    for _, node in sorted(by_val, key=lambda v: v[0]):
-        if cur is None:
-            cur = ret = node
-            continue
-
-        cur.next = node
-        cur = cur.next
-
-    if cur is not None:
-        cur.next = None
-
-    return ret
-
-
-def connect_binary_tree_right(
-    root: stdlib.ConnectableBinaryTreeNode | None,
-) -> tuple[stdlib.ConnectableBinaryTreeNode | None, list[int | None]]:
-    if root is None:
-        return None, []
-
-    by_level = binary_tree_by_level(copy.deepcopy(root))
-    by_level = typing.cast(dict[int, list[stdlib.ConnectableBinaryTreeNode]], by_level)
-    serialized: list[int | None] = []
-
-    print("")
-
-    if 0 not in by_level or len(by_level[0]) == 0:
-        return None, []
-
-    connected_root = by_level[0][0]
-
-    for level, nodes in sorted(by_level.items(), key=lambda p: p[0]):
-        for i in range(len(nodes)):
-            serialized.append(nodes[i].val)
-
-            if len(nodes) > i + 1:
-                print(f"{'-' * level}> connecting {nodes[i].val} -> {nodes[i + 1].val}")
-                nodes[i].next = nodes[i + 1]
-
-        serialized.append(None)
-
-    return connected_root, serialized
-
-
-def binary_tree_by_level(
-    root: stdlib.BinaryTreeNode,
-) -> dict[int, list[stdlib.BinaryTreeNode]]:
-    combined: dict[int, list[stdlib.BinaryTreeNode]] = {}
-
-    for path in collect_binary_tree_levels(0, root):
-        level, node = path
-        combined.setdefault(level, [])
-        combined[level].insert(0, node)
-
-    return combined
-
-
-def collect_binary_tree_levels(
-    level: int, node: stdlib.BinaryTreeNode | None
-) -> typing.Iterator[tuple[int, stdlib.BinaryTreeNode]]:
-    if node is None:
-        return
-
-    yield (level, node)
-    yield from collect_binary_tree_levels(level + 1, node.right)
-    yield from collect_binary_tree_levels(level + 1, node.left)
-
-
-def sum_binary_tree_path_ints(root: stdlib.BinaryTreeNode | None) -> int:
-    path_ints: list[int] = []
-
-    for path in collect_binary_tree_paths(root):
-        path_ints.append(int("".join([str(node.val) for node in path])))
-
-    return sum(path_ints)
-
-
-def binary_tree_paths_as_lists(
-    paths: list[list[stdlib.BinaryTreeNode]],
-) -> list[list[int]]:
-    paths_vals: list[list[int]] = []
-
-    for path in paths:
-        paths_vals.append([node.val for node in path])
-
-    return paths_vals
-
-
-def collect_binary_tree_paths(
-    node: stdlib.BinaryTreeNode | None,
-) -> typing.Iterator[list[stdlib.BinaryTreeNode]]:
-    if node is None:
-        return
-
-    if node.right is None and node.left is None:
-        yield [node]
-        return
-
-    if node.right is not None:
-        for path in collect_binary_tree_paths(node.right):
-            yield [node] + path
-
-    if node.left is not None:
-        for path in collect_binary_tree_paths(node.left):
-            yield [node] + path
-
-
-def binary_tree_from_list(inlist: list[int | None]) -> stdlib.BinaryTreeNode | None:
-    if len(inlist) == 0:
-        return None
-
-    nodes: list[stdlib.BinaryTreeNode | None] = [
-        typing.cast(stdlib.BinaryTreeNode | None, stdlib.TreeNode.from_int(i))
-        for i in inlist
-    ]
-    nodes_copy = nodes[::-1]
-    root = nodes_copy.pop()
-
-    for node in nodes:
-        if node is None:
-            continue
-
-        if len(nodes_copy) == 0:
-            break
-
-        node.left = nodes_copy.pop()
-
-        if len(nodes_copy) > 0:
-            node.right = nodes_copy.pop()
-
-    return root
-
-
-def binary_tree_from_preorder_inorder(
-    preorder: list[int], inorder: list[int]
-) -> stdlib.BinaryTreeNode | None:
-    preorder_reversed = preorder[::-1]
-
-    def subtree(left: list[int], right: list[int]) -> stdlib.BinaryTreeNode:
-        root: stdlib.BinaryTreeNode = typing.cast(
-            stdlib.BinaryTreeNode, stdlib.TreeNode(preorder_reversed.pop())
-        )
-
-        if len(left) > 1:
-            split_pos = left.index(preorder_reversed[-1])
-            root.left = subtree(left[:split_pos], left[split_pos + 1 :])
-        elif len(left) == 1:
-            preorder_reversed.remove(left[0])
-            root.left = typing.cast(stdlib.BinaryTreeNode, stdlib.TreeNode(left[0]))
-
-        if len(right) > 1:
-            split_pos = right.index(preorder_reversed[-1])
-            root.right = subtree(right[:split_pos], right[split_pos + 1 :])
-        elif len(right) == 1:
-            preorder_reversed.remove(right[0])
-            root.right = typing.cast(stdlib.BinaryTreeNode, stdlib.TreeNode(right[0]))
-
-        return root
-
-    split_pos = inorder.index(preorder[0])
-
-    return subtree(inorder[:split_pos], inorder[split_pos + 1 :])
-
-
-class JumpSpace(typing.NamedTuple):
-    pos: int
-    val: int
-    moves: list["JumpSpace"]
-
-    @classmethod
-    def from_board(
-        cls, pos: int = 0, board: typing.Iterable[int] = ()
-    ) -> typing.Optional["JumpSpace"]:
-        board = list(board)
-
-        if len(board) == 0:
-            return None
-
-        space = cls(pos, board[pos], [])
-        space.collect(board)
-        return space
-
-    def collect(self, board: list[int]) -> None:
-        del self.moves[:]
-
-        if self.pos > len(board) or len(board) == 0:
-            return
-
-        for n in range(self.pos + 1, self.pos + self.val + 1):
-            if n >= len(board):
-                break
-
-            self.moves.append(typing.cast(JumpSpace, JumpSpace.from_board(n, board)))
-
-    def jump_paths(self) -> list[list[int]]:
-        ret: list[list[int]] = [[self.pos]]
-
-        for next_space in self.moves:
-            for path in next_space.jump_paths():
-                ret.append([self.pos] + path)
-
-        return ret
-
-
-def collect_complete_jump_paths_from_board(board: list[int]) -> list[list[int]]:
-    return [
-        p
-        for p in collect_jump_paths_from_board(board)
-        if len(p) > 0 and p[-1] >= len(board) - 1
-    ]
-
-
-def collect_jump_paths_from_board(board: list[int]) -> list[list[int]]:
-    space = JumpSpace.from_board(0, board)
-    if space is None:
-        return []
-
-    return space.jump_paths()
-
-
-# NOTE: the expensive way goes like this
-# complete_paths = collect_complete_jump_paths_from_board(board)
-
-# if len(complete_paths) == 0:
-#     return -1
-
-# return min([len(p) - 1 for p in complete_paths])
-
-
-def count_min_jumps_from_board(board: list[int]) -> int:
-    return len(collect_min_jumps_from_board(board))
-
-
-def collect_min_jumps_from_board(board: list[int]) -> list[int]:
-    if len(board) < 3:
-        return list(range(1, len(board)))
-
-    jumps: list[int] = []
-    range_begin: int = 0
-    val = board[range_begin]
-    range_end: int = range_begin + val + 1
-
-    while range_end < len(board):
-        potential_jumps = board[range_begin:range_end]
-
-        scored_jumps = [
-            (val + range_begin + i, val, range_begin + i)
-            for i, val in enumerate(potential_jumps)
-        ]
-        _, val, space = max(scored_jumps)
-
-        jumps.append(space)
-
-        range_begin = space
-        range_end = range_begin + val + 1
-
-    return jumps + [len(board) - 1]
-
-
-def h_index(citations: list[int]) -> int:
-    last_qualified = None
-
-    for i, citation_count in enumerate(list(sorted(citations, reverse=True))):
-        if citation_count >= i + 1:
-            last_qualified = i + 1
-        else:
-            break
-
-    return last_qualified or 0
-
-
-class SlowRandomizedSet:
-    def __init__(self):
-        self._i: set[int] = set()
-
-    def insert(self, val: int) -> bool:
-        ok = val not in self._i
-        self._i.add(val)
-        return ok
-
-    def remove(self, val: int) -> bool:
-        if val in self._i:
-            self._i.remove(val)
-            return True
-        return False
-
-    def getRandom(self) -> int:
-        return random.choice(list(self._i))
-
-
-class RandomizedSet:
-    def __init__(self):
-        self._l: list[int] = []
-        self._m: dict[int, int] = {}
-
-    def insert(self, val: int) -> bool:
-        if val in self._m:
-            return False
-
-        self._m[val] = len(self._l)
-        self._l.append(val)
-
-        return True
-
-    def remove(self, val: int) -> bool:
-        if val not in self._m:
-            return False
-
-        val_loc = self._m[val]
-        last_val = self._l[-1]
-        self._l[val_loc] = last_val
-        self._m[last_val] = val_loc
-
-        self._l.pop()
-        self._m.pop(val)
-
-        return True
-
-    def getRandom(self) -> int:
-        return random.choice(self._l)

leetcode/test_roman.py

@@ -1,15 +0,0 @@
-import pytest
-
-import roman
-
-
-@pytest.mark.parametrize(
-    ("n", "expected"),
-    [
-        (3, "III"),
-        (58, "LVIII"),
-        (1994, "MCMXCIV"),
-    ],
-)
-def test_int_to_roman(n: int, expected: str):
-    assert roman.i2r(n) == expected

leetcode/test_spiral_matrix.py

@@ -1,46 +0,0 @@
-import pytest
-
-import spiral_matrix
-
-
-@pytest.mark.parametrize(
-    ("matrix", "expected"),
-    [
-        (
-            [
-                ["a", "b", "c"],
-                ["d", "e", "f"],
-                ["g", "h", "i"],
-            ],
-            ["a", "b", "c", "f", "i", "h", "g", "d", "e"],
-        ),
-        (
-            [
-                [1, 2, 3, 4],
-                [5, 6, 7, 8],
-                [9, 10, 11, 12],
-            ],
-            [1, 2, 3, 4, 8, 12, 11, 10, 9, 5, 6, 7],
-        ),
-        (
-            [
-                [1, 2, 3, 4, 5, 6, 7, 8, 9],
-                [1, 2, 3, 4, 5, 6, 7, 8, 9],
-                [1, 2, 3, 4, 5, 6, 7, 8, 9],
-                [1, 2, 3, 4, 5, 6, 7, 8, 9],
-                [1, 2, 3, 4, 5, 6, 7, 8, 9],
-            ],
-            []  # noqa
-            + [1, 2, 3, 4, 5, 6, 7, 8, 9]  # right
-            + [9, 9, 9]  # down
-            + [9, 8, 7, 6, 5, 4, 3, 2, 1]  # left
-            + [1, 1]  # up
-            + [1, 2, 3, 4, 5, 6, 7, 8]  # right
-            + [8]  # down
-            + [8, 7, 6, 5, 4, 3, 2]  # left
-            + [2, 3, 4, 5, 6, 7],  # right
-        ),
-    ],
-)
-def test_matrix_spiral(matrix, expected):
-    assert spiral_matrix.matrix_spiral(matrix) == expected

leetcode/test_stuff.py

@@ -1,390 +0,0 @@
-import pytest
-
-import stuff
-import stdlib
-
-
-@pytest.mark.parametrize(
-    ("n", "expected"),
-    [
-        (0, 0),
-        (1, 1),
-        (5, 2),
-        (4, 2),
-        (8, 2),
-        (9, 3),
-    ],
-)
-def test_find_sqrt_ish(n: int, expected: int):
-    assert stuff.find_sqrt_ish(n) == expected
-
-
-@pytest.mark.parametrize(
-    ("ops", "expected"),
-    [
-        (
-            (
-                [
-                    ("new",),
-                    ("push", -2),
-                    ("push", 0),
-                    ("push", -3),
-                    ("getMin",),
-                    ("pop",),
-                    ("top",),
-                    ("getMin",),
-                ]
-            ),
-            [
-                None,
-                None,
-                None,
-                None,
-                -3,
-                None,
-                0,
-                -2,
-            ],
-        )
-    ],
-)
-def test_min_stack(ops: list[tuple[str] | tuple[str, int]], expected: list[int | None]):
-    returned: list[int | None] = []
-    inst: stuff.MinStack | None = None
-
-    for op in ops:
-        if len(op) == 1:
-            if op[0] == "new":
-                inst = stuff.MinStack()
-                returned.append(None)
-                continue
-
-            returned.append(getattr(inst, op[0])())
-            continue
-
-        method, arg = op
-        returned.append(getattr(inst, method)(arg))
-
-    assert returned == expected
-
-
-@pytest.mark.parametrize(
-    ("head", "expected"),
-    [
-        (None, None),
-        (
-            stdlib.ListNode(
-                4, stdlib.ListNode(2, stdlib.ListNode(1, stdlib.ListNode(3)))
-            ),
-            stdlib.ListNode(
-                1, stdlib.ListNode(2, stdlib.ListNode(3, stdlib.ListNode(4)))
-            ),
-        ),
-        (
-            stdlib.ListNode(
-                4,
-                stdlib.ListNode(
-                    19,
-                    stdlib.ListNode(
-                        14,
-                        stdlib.ListNode(
-                            5,
-                            stdlib.ListNode(
-                                -3,
-                                stdlib.ListNode(
-                                    1,
-                                    stdlib.ListNode(
-                                        8,
-                                        stdlib.ListNode(
-                                            5, stdlib.ListNode(11, stdlib.ListNode(15))
-                                        ),
-                                    ),
-                                ),
-                            ),
-                        ),
-                    ),
-                ),
-            ),
-            stdlib.ListNode(
-                -3,
-                stdlib.ListNode(
-                    1,
-                    stdlib.ListNode(
-                        4,
-                        stdlib.ListNode(
-                            5,
-                            stdlib.ListNode(
-                                5,
-                                stdlib.ListNode(
-                                    8,
-                                    stdlib.ListNode(
-                                        11,
-                                        stdlib.ListNode(
-                                            14, stdlib.ListNode(15, stdlib.ListNode(19))
-                                        ),
-                                    ),
-                                ),
-                            ),
-                        ),
-                    ),
-                ),
-            ),
-        ),
-    ],
-)
-def test_sort_linked_list(
-    head: stdlib.LinkedListNode | None, expected: stdlib.LinkedListNode | None
-):
-    if head is None:
-        assert stuff.sort_linked_list(head) == expected
-        return
-
-    assert stuff.linked_list_to_list(
-        stuff.sort_linked_list(head)
-    ) == stuff.linked_list_to_list(expected)
-
-
-@pytest.mark.parametrize(
-    ("root", "expected"),
-    [
-        (
-            stdlib.Node(
-                1,
-                left=stdlib.Node(2, left=stdlib.Node(4), right=stdlib.Node(5)),
-                right=stdlib.Node(3, right=stdlib.Node(7)),
-            ),
-            [1, None, 2, 3, None, 4, 5, 7, None],
-        ),
-    ],
-)
-def test_connect_binary_tree_right(
-    root: stdlib.ConnectableBinaryTreeNode | None, expected: list[int | None] | None
-):
-    if expected is None:
-        assert root is None
-        return
-
-    connected, serialized = stuff.connect_binary_tree_right(root)
-    assert connected is not None
-    assert serialized == expected
-
-
-@pytest.mark.parametrize(
-    ("root", "expected"),
-    [
-        (
-            stdlib.Node(
-                4,
-                right=stdlib.Node(0),
-                left=stdlib.Node(9, right=stdlib.Node(1), left=stdlib.Node(5)),
-            ),
-            1026,
-        ),
-    ],
-)
-def test_connect_binary_tree_sum_numbers(
-    root: stdlib.BinaryTreeNode | None, expected: int
-):
-    assert stuff.sum_binary_tree_path_ints(root) == expected
-
-
-@pytest.mark.parametrize(
-    ("inlist", "expected"),
-    [
-        (
-            [3, 5, 1, 6, 2, 0, 8, None, None, 7, 4],
-            stdlib.TreeNode(
-                3,
-                left=stdlib.TreeNode(
-                    5,
-                    left=stdlib.TreeNode(6),
-                    right=stdlib.TreeNode(
-                        2,
-                        left=stdlib.TreeNode(7),
-                        right=stdlib.TreeNode(4),
-                    ),
-                ),
-                right=stdlib.TreeNode(
-                    1,
-                    left=stdlib.TreeNode(0),
-                    right=stdlib.TreeNode(8),
-                ),
-            ),
-        ),
-    ],
-)
-def test_binary_tree_from_list(
-    inlist: list[int | None], expected: stdlib.BinaryTreeNode | None
-):
-    assert stuff.binary_tree_from_list(inlist) == expected
-
-
-@pytest.mark.parametrize(
-    ("preorder", "inorder", "expected"),
-    [
-        (
-            [3, 9, 20, 15, 7],
-            [9, 3, 15, 20, 7],
-            stdlib.TreeNode(
-                3,
-                left=stdlib.TreeNode(9),
-                right=stdlib.TreeNode(
-                    20, left=stdlib.TreeNode(15), right=stdlib.TreeNode(7)
-                ),
-            ),
-        ),
-        (
-            [-1],
-            [-1],
-            stdlib.TreeNode(-1),
-        ),
-        (
-            [1, 2],
-            [1, 2],
-            stdlib.TreeNode(1, right=stdlib.TreeNode(2)),
-        ),
-    ],
-)
-def test_binary_tree_from_preorder_inorder(
-    preorder: list[int], inorder: list[int], expected: stdlib.BinaryTreeNode
-):
-    assert stuff.binary_tree_from_preorder_inorder(preorder, inorder) == expected
-
-
-@pytest.mark.parametrize(
-    ("board", "expected"),
-    [
-        (
-            [2, 3, 1, 1, 4],
-            [
-                [0, 1, 2, 3, 4],
-                [0, 1, 3, 4],
-                [0, 1, 4],
-                [0, 2, 3, 4],
-            ],
-        ),
-    ],
-)
-def test_collect_complete_jump_paths_from_board(
-    board: list[int], expected: list[list[int]]
-):
-    assert list(sorted(stuff.collect_complete_jump_paths_from_board(board))) == expected
-
-
-@pytest.mark.parametrize(
-    ("board", "expected"),
-    [
-        (
-            [2, 3, 1, 1, 4],
-            2,
-        ),
-        (
-            [2, 3, 0, 1, 4],
-            2,
-        ),
-        (
-            [1],
-            0,
-        ),
-        (
-            [1, 2],
-            1,
-        ),
-        (
-            [6, 2, 6, 1, 7, 9, 3, 5, 3, 7, 2, 8, 9, 4, 7, 7, 2, 2, 8, 4, 6, 6, 1, 3],
-            4,
-        ),
-        (
-            [3, 4, 3, 2, 5, 4, 3],
-            3,
-        ),
-        (
-            [3, 2, 1],
-            1,
-        ),
-        (
-            [1, 2, 3],
-            2,
-        ),
-    ],
-)
-def test_count_min_jumps_from_board(board: list[int], expected: int):
-    assert stuff.count_min_jumps_from_board(board) == expected
-
-
-@pytest.mark.parametrize(
-    ("citations", "expected"),
-    [
-        (
-            [3, 0, 6, 1, 5],
-            3,
-        ),
-        (
-            [1, 3, 1],
-            1,
-        ),
-        (
-            [100],
-            1,
-        ),
-    ],
-)
-def test_h_index(citations: list[int], expected: int):
-    assert stuff.h_index(citations) == expected
-
-
-@pytest.mark.parametrize(
-    ("cls",),
-    [
-        (stuff.SlowRandomizedSet,),
-        (stuff.RandomizedSet,),
-    ],
-)
-def test_randomized_set(cls: type[stuff.RandomizedSet] | type[stuff.SlowRandomizedSet]):
-    inst = cls()
-
-    assert inst.insert(1) is True
-    assert inst.remove(2) is False
-    assert inst.insert(2) is True
-    assert inst.getRandom() in (1, 2)
-    assert inst.remove(1) is True
-    assert inst.insert(2) is False
-    assert inst.getRandom() == 2
-
-    inst = cls()
-
-    assert inst.insert(1) is True
-    assert inst.insert(10) is True
-    assert inst.insert(20) is True
-    assert inst.insert(30) is True
-
-    seen: set[int] = set()
-
-    for _ in range(10_000):
-        seen.add(inst.getRandom())
-
-    assert seen == {1, 10, 20, 30}
-
-    # ["remove","remove","insert","getRandom","remove","insert"]
-    # [[0],[0],[0],[],[0],[0]]
-
-    inst = cls()
-
-    assert inst.remove(0) is False
-    assert inst.remove(0) is False
-    assert inst.insert(0) is True
-    assert inst.getRandom() == 0
-    assert inst.remove(0) is True
-    assert inst.insert(0) is True
-
-    # ["RandomizedSet","insert","insert","remove","insert","remove","getRandom"]
-    # [[],[0],[1],[0],[2],[1],[]]
-
-    inst = cls()
-
-    assert inst.insert(0) is True
-    assert inst.insert(1) is True
-    assert inst.remove(0) is True
-    assert inst.insert(2) is True
-    assert inst.remove(1) is True
-    assert inst.getRandom() == 2

rustbyexample/.gitignore

@@ -1,3 +1,11 @@
-/out/
+/custom_types/*
-/*.d/out
+/hello/*
-/*.d/**/out
+/primitives/*
+/variable_bindings/*
+/types/*
+
+!/custom_types/*.rs
+!/hello/*.rs
+!/primitives/*.rs
+!/variable_bindings/*.rs
+!/types/*.rs

rustbyexample/conversion.d/from_into.rs

@@ -1,18 +0,0 @@
-use std::convert::From;
-
-#[allow(dead_code)]
-#[derive(Debug)]
-struct Number {
-    value: i32,
-}
-
-impl From<i32> for Number {
-    fn from(item: i32) -> Self {
-        Number { value: item }
-    }
-}
-
-fn main() {
-    let num = Number::from(30);
-    println!("My number is {:?}", num);
-}

rustbyexample/conversion.d/from_into2.rs

@@ -1,19 +0,0 @@
-use std::convert::Into;
-
-#[allow(dead_code)]
-#[derive(Debug)]
-struct Number {
-    value: i32,
-}
-
-impl Into<Number> for i32 {
-    fn into(self) -> Number {
-        Number { value: self }
-    }
-}
-
-fn main() {
-    let int = 5;
-    let num: Number = int.into();
-    println!("My number is {:?}", num);
-}

rustbyexample/conversion.d/string.rs

@@ -1,16 +0,0 @@
-use std::fmt;
-
-struct Circle {
-    radius: i32,
-}
-
-impl fmt::Display for Circle {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "Circle of radius {}", self.radius)
-    }
-}
-
-fn main() {
-    let circle = Circle { radius: 6 };
-    println!("{}", circle.to_string());
-}

rustbyexample/conversion.d/string2.rs

@@ -1,7 +0,0 @@
-fn main() {
-    let parsed: i32 = "5".parse().unwrap();
-    let turbo_parsed = "10".parse::<i32>().unwrap();
-
-    let sum = parsed + turbo_parsed;
-    println!("Sum: {:?}", sum);
-}

rustbyexample/conversion.d/try_from_try_into.rs

@@ -1,28 +0,0 @@
-use std::convert::TryFrom;
-use std::convert::TryInto;
-
-#[derive(Debug, PartialEq)]
-struct EvenNumber(i32);
-
-impl TryFrom<i32> for EvenNumber {
-    type Error = ();
-
-    fn try_from(value: i32) -> Result<Self, Self::Error> {
-        if value % 2 == 0 {
-            Ok(EvenNumber(value))
-        } else {
-            Err(())
-        }
-    }
-}
-
-fn main() {
-    assert_eq!(EvenNumber::try_from(8), Ok(EvenNumber(8)));
-    assert_eq!(EvenNumber::try_from(5), Err(()));
-
-    let result: Result<EvenNumber, ()> = 8i32.try_into();
-    assert_eq!(result, Ok(EvenNumber(8)));
-
-    let result: Result<EvenNumber, ()> = 5i32.try_into();
-    assert_eq!(result, Err(()));
-}

rustbyexample/custom_types/custom_types_structs.rs

@@ -1,4 +1,3 @@
-#[allow(dead_code)]
 #[derive(Debug)]
 struct Person {
     name: String,

rustbyexample/expression.rs

@@ -1,25 +0,0 @@
-#[allow(path_statements)]
-#[allow(unused_must_use)]
-fn main() {
-    let x = 5;
-    x;
-    x + 1;
-    15;
-
-    let x = 5u32;
-
-    let y = {
-        let x_squared = x * x;
-        let x_cube = x_squared * x;
-
-        x_cube + x_squared + x
-    };
-
-    let z = {
-        2 * x;
-    };
-
-    println!("x is {:?}", x);
-    println!("y is {:?}", y);
-    println!("z is {:?}", z);
-}

rustbyexample/flow_control.d/for.rs

@@ -1,13 +0,0 @@
-fn main() {
-    for n in 1..101 {
-        if n % 15 == 0 {
-            println!("fizzbuzz");
-        } else if n % 3 == 0 {
-            println!("fizz");
-        } else if n % 5 == 0 {
-            println!("buzz");
-        } else {
-            println!("{}", n);
-        }
-    }
-}

rustbyexample/flow_control.d/for2.rs

@@ -1,13 +0,0 @@
-fn main() {
-    for n in 1..=100 {
-        if n % 15 == 0 {
-            println!("fizzbuzz");
-        } else if n % 3 == 0 {
-            println!("fizz");
-        } else if n % 5 == 0 {
-            println!("buzz");
-        } else {
-            println!("{}", n);
-        }
-    }
-}

rustbyexample/flow_control.d/for3.rs

@@ -1,12 +0,0 @@
-fn main() {
-    let names = vec!["Bob", "Frank", "Ferris"];
-
-    for name in names.iter() {
-        match name {
-            &"Ferris" => println!("There is a rustacean among us!"),
-            _ => println!("Hello {}", name),
-        }
-    }
-
-    println!("names: {:?}", names);
-}

rustbyexample/flow_control.d/for4.rs

@@ -1,12 +0,0 @@
-fn main() {
-    let names = vec!["Bob", "Frank", "Ferris"];
-
-    for name in names.into_iter() {
-        match name {
-            "Ferris" => println!("There is a rustacean among us!"),
-            _ => println!("Hello {}", name),
-        }
-    }
-
-    //println!("names: {:?}", names);
-}

rustbyexample/flow_control.d/for5.rs

@@ -1,12 +0,0 @@
-fn main() {
-    let mut names = vec!["Bob", "Frank", "Ferris"];
-
-    for name in names.iter_mut() {
-        *name = match name {
-            &mut "Ferris" => "There is a rustacean among us!",
-            _ => "Hello",
-        }
-    }
-
-    println!("names: {:?}", names);
-}

rustbyexample/flow_control.d/if_else.rs

@@ -1,23 +0,0 @@
-fn main() {
-    let n = 5;
-
-    if n < 0 {
-        print!("{} is negative", n);
-    } else if n > 0 {
-        print!("{} is positive", n);
-    } else {
-        print!("{} is zero", n);
-    }
-
-    let big_n = if n < 10 && n > -10 {
-        println!(", and is a small number, increase net-fold");
-
-        10 * n
-    } else {
-        println!(", and is a big number, halve the number");
-
-        n / 2
-    };
-
-    println!("{} -> {}", n, big_n);
-}

rustbyexample/flow_control.d/if_let.rs

@@ -1,25 +0,0 @@
-fn main() {
-    let number = Some(7);
-    let letter: Option<i32> = None;
-    let emoticon: Option<i32> = None;
-
-    if let Some(i) = number {
-        println!("Matched {:?}!", i);
-    }
-
-    if let Some(i) = letter {
-        println!("Matched {:?}!", i);
-    } else {
-        println!("Didn't match a number. Let's go with a letter!");
-    }
-
-    let i_like_letters = false;
-
-    if let Some(i) = emoticon {
-        println!("Matched {:?}!", i);
-    } else if i_like_letters {
-        println!("Didn't match a number. Let's go with a letter!");
-    } else {
-        println!("I don't like letters. Let's go with an emoticon :)!");
-    }
-}

rustbyexample/flow_control.d/if_let2.rs

@@ -1,27 +0,0 @@
-enum Foo {
-    Bar,
-    Baz,
-    Qux(u32),
-}
-
-fn main() {
-    let a = Foo::Bar;
-    let b = Foo::Baz;
-    let c = Foo::Qux(100);
-
-    if let Foo::Bar = a {
-        println!("a is a foobar");
-    }
-
-    if let Foo::Bar = b {
-        println!("b is foobar");
-    }
-
-    if let Foo::Qux(value) = c {
-        println!("c is {}", value);
-    }
-
-    if let Foo::Qux(value @ 100) = c {
-        println!("c is one hundred (value: {:?})", value);
-    }
-}

rustbyexample/flow_control.d/if_let3.rs

@@ -1,11 +0,0 @@
-enum Foo {
-    Bar,
-}
-
-fn main() {
-    let a = Foo::Bar;
-
-    if let Foo::Bar = a {
-        println!("a is foobar");
-    }
-}

rustbyexample/flow_control.d/let_else.rs

@@ -1,16 +0,0 @@
-use std::str::FromStr;
-
-fn get_count_item(s: &str) -> (u64, &str) {
-    let mut it = s.split(' ');
-    let (Some(count_str), Some(item)) = (it.next(), it.next()) else {
-        panic!("Can't segment count item pair: '{s}'");
-    };
-    let Ok(count) = u64::from_str(count_str) else {
-        panic!("Can't parse integer: '{count_str}'");
-    };
-    (count, item)
-}
-
-fn main() {
-    assert_eq!(get_count_item("3 chairs"), (3, "chairs"));
-}

rustbyexample/flow_control.d/loop.d/nested.rs

@@ -1,18 +0,0 @@
-#![allow(unreachable_code)]
-#![allow(unused_labels)]
-
-fn main() {
-    'outer: loop {
-        println!("Entered the outer loop");
-
-        'inner: loop {
-            println!("Entered the inner loop");
-
-            break 'outer;
-        }
-
-        println!("This point will never be reached");
-    }
-
-    println!("Exited the outer loop");
-}

rustbyexample/flow_control.d/loop.d/return.rs

@@ -1,13 +0,0 @@
-fn main() {
-    let mut counter = 0;
-
-    let result = loop {
-        counter += 1;
-
-        if counter == 10 {
-            break counter * 2;
-        }
-    };
-
-    assert_eq!(result, 20);
-}

rustbyexample/flow_control.d/loop.rs

@@ -1,23 +0,0 @@
-fn main() {
-    let mut count = 0u32;
-
-    println!("Let's count until infinity!");
-
-    loop {
-        count += 1;
-
-        if count == 3 {
-            println!("three");
-
-            continue;
-        }
-
-        println!("{}", count);
-
-        if count == 5 {
-            println!("OK, that's enough");
-
-            break;
-        }
-    }
-}

rustbyexample/flow_control.d/match.d/binding.rs

@@ -1,14 +0,0 @@
-fn age() -> u32 {
-    15
-}
-
-fn main() {
-    println!("Tell me what type of person you are");
-
-    match age() {
-        0 => println!("I haven't celebrated my first birthday yet"),
-        n @ 1..=12 => println!("I'm a child of age {:?}", n),
-        n @ 13..=19 => println!("I'm a teen of age {:?}", n),
-        n => println!("I'm an old person of age {:?}", n),
-    }
-}

rustbyexample/flow_control.d/match.d/binding2.rs

@@ -1,11 +0,0 @@
-fn some_number() -> Option<u32> {
-    Some(42)
-}
-
-fn main() {
-    match some_number() {
-        Some(n @ 42) => println!("The Answer: {}!", n),
-        Some(n) => println!("Not interesting... {}", n),
-        _ => (),
-    }
-}

rustbyexample/flow_control.d/match.d/destructuring.d/destructure_enum.rs

@@ -1,30 +0,0 @@
-#[allow(dead_code)]
-enum Color {
-    Red,
-    Blue,
-    Green,
-    RGB(u32, u32, u32),
-    HSV(u32, u32, u32),
-    HSL(u32, u32, u32),
-    CMY(u32, u32, u32),
-    CMYK(u32, u32, u32, u32),
-}
-
-fn main() {
-    let color = Color::RGB(122, 17, 40);
-
-    println!("What color is it?");
-    match color {
-        Color::Red => println!("The color is Red!"),
-        Color::Blue => println!("The color is Blue!"),
-        Color::Green => println!("The color is Green!"),
-        Color::RGB(r, g, b) => println!("Red: {}, green: {}, and blue: {}!", r, g, b),
-        Color::HSV(h, s, v) => println!("Hue: {}, saturation: {}, value: {}!", h, s, v),
-        Color::HSL(h, s, l) => println!("Hue: {}, saturation: {}, lightness: {}!", h, s, l),
-        Color::CMY(c, m, y) => println!("Cyan: {}, magenta: {}, yellow: {}!", c, m, y),
-        Color::CMYK(c, m, y, k) => println!(
-            "Cyan: {}, magenta: {}, yellow: {}, key (black): {}!",
-            c, m, y, k
-        ),
-    }
-}

rustbyexample/flow_control.d/match.d/destructuring.d/destructure_pointers.rs

@@ -1,29 +0,0 @@
-fn main() {
-    let reference = &4;
-
-    match reference {
-        &val => println!("Got a value via destructuring: {:?}", val),
-    }
-
-    match *reference {
-        val => println!("Got a value via dereferencing: {:?}", val),
-    }
-
-    let _not_a_reference = 3;
-
-    let ref _is_a_reference = 3;
-
-    let value = 5;
-    let mut mut_value = 6;
-
-    match value {
-        ref r => println!("Got a reference to a value: {:?}", r),
-    }
-
-    match mut_value {
-        ref mut m => {
-            *m += 10;
-            println!("We added 10. `mut_value`: {:?}", m);
-        }
-    }
-}

rustbyexample/flow_control.d/match.d/destructuring.d/destructure_slice.rs

@@ -1,27 +0,0 @@
-fn main() {
-    let array = [1, -2, 6];
-
-    match array {
-        [0, second, third] => println!("array[0] = 0, array[1] = {}, array[2] = {}", second, third),
-
-        [1, _, third] => println!(
-            "array[0] = 1, array[2] = {} and array[1] was ignored",
-            third
-        ),
-
-        [-1, second, ..] => println!(
-            "array[0] = -1, array[1] = {} and all the other ones were ignored",
-            second
-        ),
-
-        [3, second, tail @ ..] => println!(
-            "array[0] = 3, array[1] = {} and the other elements were {:?}",
-            second, tail
-        ),
-
-        [first, middle @ .., last] => println!(
-            "array[0] = {}, middle = {:?}, array[2] = {}",
-            first, middle, last
-        ),
-    }
-}

rustbyexample/flow_control.d/match.d/destructuring.d/destructure_structures.rs

@@ -1,19 +0,0 @@
-fn main() {
-    struct Foo {
-        x: (u32, u32),
-        y: u32,
-    }
-
-    let foo = Foo { x: (1, 2), y: 3 };
-
-    match foo {
-        Foo { x: (1, b), y } => println!("First of x is 1, b = {}, y = {}", b, y),
-        Foo { y: 2, x: i } => println!("y is 2, i = {:?}", i),
-        Foo { y, .. } => println!("y = {}, we don't care about x", y),
-    }
-
-    let faa = Foo { x: (1, 2), y: 3 };
-
-    let Foo { x: x0, y: y0 } = faa;
-    println!("Outside: x0 = {x0:?}, y0 = {y0}");
-}

rustbyexample/flow_control.d/match.d/destructuring.d/destructure_tuple.rs

@@ -1,12 +0,0 @@
-fn main() {
-    let triple = (0, -2, 3);
-
-    println!("Tell me about {:?}", triple);
-    match triple {
-        (0, y, z) => println!("First is `0`, `y` is {:?}, and `z` is {:?}", y, z),
-        (1, ..) => println!("First is `1` and the rest doesn't matter"),
-        (.., 2) => println!("last is `2` and the rest doesn't matter"),
-        (3, .., 4) => println!("First is `3`, last is `4`, and the rest doesn't matter"),
-        _ => println!("It doesn't matter what they are"),
-    }
-}

rustbyexample/flow_control.d/match.d/guard.rs

@@ -1,16 +0,0 @@
-#[allow(dead_code)]
-enum Temperature {
-    Celsius(i32),
-    Fahrenheit(i32),
-}
-
-fn main() {
-    let temperature = Temperature::Celsius(35);
-
-    match temperature {
-        Temperature::Celsius(t) if t > 30 => println!("{}C is above 30 Celsius", t),
-        Temperature::Celsius(t) => println!("{}C is below 30 Celsius", t),
-        Temperature::Fahrenheit(t) if t > 86 => println!("{}F is above 86 Fahrenheit", t),
-        Temperature::Fahrenheit(t) => println!("{}F is below 86 Fahrenheit", t),
-    }
-}

rustbyexample/flow_control.d/match.d/guard2.rs

@@ -1,9 +0,0 @@
-fn main() {
-    let number: u8 = 4;
-
-    match number {
-        i if i == 0 => println!("Zero"),
-        i if i > 0 => println!("Greater than zero"),
-        _ => unreachable!("Should never happen."),
-    }
-}

rustbyexample/flow_control.d/match.rs

@@ -1,19 +0,0 @@
-fn main() {
-    let number = 13;
-
-    println!("Tell me about {}", number);
-    match number {
-        1 => println!("One!"),
-        2 | 3 | 5 | 7 | 11 => println!("This is a prime"),
-        13..=19 => println!("A teen"),
-        _ => println!("Ain't special"),
-    }
-
-    let boolean = true;
-    let binary = match boolean {
-        false => 0,
-        true => 1,
-    };
-
-    println!("{} -> {}", boolean, binary);
-}

rustbyexample/flow_control.d/while.rs

@@ -1,17 +0,0 @@
-fn main() {
-    let mut n = 1;
-
-    while n < 101 {
-        if n % 15 == 0 {
-            println!("fizzbuzz");
-        } else if n % 3 == 0 {
-            println!("fizz");
-        } else if n % 5 == 0 {
-            println!("buzz");
-        } else {
-            println!("{}", n);
-        }
-
-        n += 1;
-    }
-}

rustbyexample/flow_control.d/while_let.rs

@@ -1,13 +0,0 @@
-fn main() {
-    let mut optional = Some(0);
-
-    while let Some(i) = optional {
-        if i > 9 {
-            println!("Greater than 9, quit!");
-            optional = None;
-        } else {
-            println!("`i` is `{:?}`. Try again.", i);
-            optional = Some(i + 1);
-        }
-    }
-}

rustbyexample/fn.d/closures.d/anonymity.rs

@@ -1,14 +0,0 @@
-fn apply<F>(f: F)
-where
-    F: Fn(),
-{
-    f();
-}
-
-fn main() {
-    let x = 7;
-
-    let print = || println!("{}", x);
-
-    apply(print);
-}

rustbyexample/fn.d/closures.d/capture.rs

@@ -1,36 +0,0 @@
-fn main() {
-    use std::mem;
-
-    let color = String::from("green");
-
-    let print = || println!("`color`: {}", color);
-
-    print();
-
-    let _reborrow = &color;
-    print();
-
-    let _color_moved = color;
-
-    let mut count = 0;
-
-    let mut inc = || {
-        count += 1;
-        println!("`count`: {}", count);
-    };
-
-    inc();
-
-    inc();
-
-    let _count_reborrowed = &mut count;
-
-    let movable = Box::new(3);
-
-    let consume = || {
-        println!("`movable`: {:?}", movable);
-        mem::drop(movable);
-    };
-
-    consume();
-}

rustbyexample/fn.d/closures.d/capture2.rs

@@ -1,8 +0,0 @@
-fn main() {
-    let haystack = vec![1, 2, 3];
-
-    let contains = move |needle| haystack.contains(needle);
-
-    println!("{}", contains(&1));
-    println!("{}", contains(&4));
-}

rustbyexample/fn.d/closures.d/input_parameters.rs

@@ -1,36 +0,0 @@
-fn apply<F>(f: F)
-where
-    F: FnOnce(),
-{
-    f();
-}
-
-fn apply_to_3<F>(f: F) -> i32
-where
-    F: Fn(i32) -> i32,
-{
-    f(3)
-}
-
-fn main() {
-    use std::mem;
-
-    let greeting = "hello";
-    let mut farewell = "goodbye".to_owned();
-
-    let diary = || {
-        println!("I said {}.", greeting);
-
-        farewell.push_str("!!!");
-        println!("Then I screamed {}.", farewell);
-        println!("Now I can sleep. zzzzz");
-
-        mem::drop(farewell);
-    };
-
-    apply(diary);
-
-    let double = |x| 2 * x;
-
-    println!("3 doubled: {}", apply_to_3(double));
-}

rustbyexample/fn.d/closures.rs

@@ -1,12 +0,0 @@
-fn main() {
-    let outer_var = 42;
-
-    let closure_annotated = |i: i32| -> i32 { i + outer_var };
-    let closure_inferred = |i| i + outer_var;
-
-    println!("closure_annotated: {}", closure_annotated(1));
-    println!("closure_inferred: {}", closure_inferred(1));
-
-    let one = || 1;
-    println!("closure returning one: {}", one());
-}

rustbyexample/fn.d/methods.rs

@@ -1,74 +0,0 @@
-struct Point {
-    x: f64,
-    y: f64,
-}
-
-impl Point {
-    fn origin() -> Point {
-        Point { x: 0.0, y: 0.0 }
-    }
-
-    fn new(x: f64, y: f64) -> Point {
-        Point { x: x, y: y }
-    }
-}
-
-struct Rectangle {
-    p1: Point,
-    p2: Point,
-}
-
-impl Rectangle {
-    fn area(&self) -> f64 {
-        let Point { x: x1, y: y1 } = self.p1;
-        let Point { x: x2, y: y2 } = self.p2;
-
-        ((x1 - x2) * (y1 - y2)).abs()
-    }
-
-    fn perimeter(&self) -> f64 {
-        let Point { x: x1, y: y1 } = self.p1;
-        let Point { x: x2, y: y2 } = self.p2;
-
-        2.0 * ((x1 - x2).abs() + (y1 - y2).abs())
-    }
-
-    fn translate(&mut self, x: f64, y: f64) {
-        self.p1.x += x;
-        self.p2.x += x;
-
-        self.p1.y += y;
-        self.p2.y += y;
-    }
-}
-
-struct Pair(Box<i32>, Box<i32>);
-
-impl Pair {
-    fn destroy(self) {
-        let Pair(first, second) = self;
-
-        println!("Destroying Pair({}, {})", first, second);
-    }
-}
-
-fn main() {
-    let rectangle = Rectangle {
-        p1: Point::origin(),
-        p2: Point::new(3.0, 4.0),
-    };
-
-    println!("Rectangle perimeter: {}", rectangle.perimeter());
-    println!("Rectangle area: {}", rectangle.area());
-
-    let mut square = Rectangle {
-        p1: Point::origin(),
-        p2: Point::new(1.0, 1.0),
-    };
-
-    square.translate(1.0, 1.0);
-
-    let pair = Pair(Box::new(1), Box::new(2));
-
-    pair.destroy();
-}

rustbyexample/fn.rs

@@ -1,29 +0,0 @@
-fn main() {
-    fizzbuzz_to(100);
-}
-
-fn is_divisible_by(lhs: u32, rhs: u32) -> bool {
-    if rhs == 0 {
-        return false;
-    }
-
-    lhs % rhs == 0
-}
-
-fn fizzbuzz(n: u32) -> () {
-    if is_divisible_by(n, 15) {
-        println!("fizzbuzz");
-    } else if is_divisible_by(n, 3) {
-        println!("fizz");
-    } else if is_divisible_by(n, 5) {
-        println!("buzz");
-    } else {
-        println!("{}", n);
-    }
-}
-
-fn fizzbuzz_to(n: u32) {
-    for n in 1..=n {
-        fizzbuzz(n);
-    }
-}

rustbyexample/hello/print_debug2.rs

@@ -1,4 +1,3 @@
-#[allow(dead_code)]
 #[derive(Debug)]
 struct Person<'a> {
     name: &'a str,

rustbyexample/hello/testcase_list.rs

@@ -20,6 +20,6 @@ impl fmt::Display for List {
 }
 
 fn main() {
-    let v = List(vec![6, 0, 6, 8, 0, 8, 9, 1, 1, 1, 3, 1, 2]);
+    let v = List(vec![1, 2, 3]);
     println!("{}", v);
 }

rustbyexample/primitives/primitives.rs

@@ -1,5 +1,3 @@
-#[allow(unused_variables)]
-#[allow(unused_assignments)]
 fn main() {
     let logical: bool = true;
 

rustbyexample/primitives/primitives_array.rs

@@ -22,14 +22,5 @@ fn main() {
     println!("borrow a section of the array as a slice");
     analyze_slice(&ys[1..4]);
 
-    let empty_array: [u32; 0] = [];
+    // println!("{}", xs[5]);
-    assert_eq!(&empty_array, &[]);
-    assert_eq!(&empty_array, &[][..]);
-
-    for i in 0..xs.len() + 1 {
-        match xs.get(i) {
-            Some(xval) => println!("{}: {}", i, xval),
-            None => println!("Slow down! {} is too far!", i),
-        }
-    }
 }

rustbyexample/primitives/primitives_literals.rs

@@ -3,8 +3,6 @@ fn main() {
 
     println!("1 - 2 = {}", 1i32 - 2);
 
-    println!("1e4 is {}, -2.5e-3 is {}", 1e4, -2.5e-3);
-
     println!("true AND false is {}", true && false);
     println!("true OR false is {}", true || false);
     println!("NOT true is {}", !true);

rustbyexample/types.d/alias.rs

@@ -1,15 +0,0 @@
-type NanoSecond = u64;
-type Inch = u64;
-type U64 = u64;
-
-fn main() {
-    let nanoseconds: NanoSecond = 5 as U64;
-    let inches: Inch = 2 as U64;
-
-    println!(
-        "{} nanoseconds + {} inches = {} unit?",
-        nanoseconds,
-        inches,
-        nanoseconds + inches
-    );
-}

rustbyexample/types/alias.rs

@@ -0,0 +1,15 @@
+type NanoSecond = u64;
+type Inch = u64;
+
+#[allow(non_camel_case_types)]
+type u64_t = u64;
+
+fn main() {
+    let nanoseconds: NanoSecond = 5 as u64_t;
+    let inches: Inch = 2 as u64_t;
+
+    println!("{} nanoseconds + {} inches = {} unit?",
+        nanoseconds,
+        inches,
+        nanoseconds + inches);
+}

rustbyexample/variable_bindings/scope2.rs

@@ -13,3 +13,4 @@ fn main() {
     let shadowed_binding = 2;
     println!("shadowed in outer block: {}", shadowed_binding);
 }
+

rustbyexample/variable_bindings/variable_bindings.rs

@@ -11,5 +11,5 @@ fn main() {
 
     let _unused_variable = 3u32;
 
-    let _noisy_unused_variable = 2u32;
+    let noisy_unused_variable = 2u32;
 }