Much renaming and refreshing of RBE

rustbyexample/.gitignore

@@ -1,11 +1,6 @@
-/custom_types/*
+/*.d/*
-/hello/*
+hello
-/primitives/*
+primitives
-/variable_bindings/*
+variable_bindings
-/types/*
 
-!/custom_types/*.rs
+!/*.d/*.rs
-!/hello/*.rs
-!/primitives/*.rs
-!/variable_bindings/*.rs
-!/types/*.rs

rustbyexample/custom_types.d/structs.rs

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

rustbyexample/primitives.d/array.rs

@@ -22,5 +22,14 @@ fn main() {
     println!("borrow a section of the array as a slice");
     analyze_slice(&ys[1..4]);
 
-    // println!("{}", xs[5]);
+    let empty_array: [u32; 0] = [];
+    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.d/literals.rs

@@ -3,6 +3,8 @@ 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/primitives.rs

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

rustbyexample/types.d/alias.rs

@@ -0,0 +1,15 @@
+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

@@ -1,15 +0,0 @@
-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.d/scope2.rs

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

rustbyexample/variable_bindings.rs

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