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/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);
-        }
-    }
-}