rustlings: move to rust/

4 files changed, 0 insertions, 119 deletions

diff --git a/rustlings/exercises/12_options/README.md b/rustlings/exercises/12_options/README.md
deleted file mode 100644
index 624572a..0000000
--- a/rustlings/exercises/12_options/README.md
+++ /dev/null
@@ -1,21 +0,0 @@
-# Options
-
-Type Option represents an optional value: every Option is either Some and contains a value, or None, and does not.
-Option types are very common in Rust code, as they have a number of uses:
-
-- Initial values
-- Return values for functions that are not defined over their entire input range (partial functions)
-- Return value for otherwise reporting simple errors, where None is returned on error
-- Optional struct fields
-- Struct fields that can be loaned or "taken"
-- Optional function arguments
-- Nullable pointers
-- Swapping things out of difficult situations
-
-## Further Information
-
-- [Option Enum Format](https://doc.rust-lang.org/book/ch10-01-syntax.html#in-enum-definitions)
-- [Option Module Documentation](https://doc.rust-lang.org/std/option/)
-- [Option Enum Documentation](https://doc.rust-lang.org/std/option/enum.Option.html)
-- [if let](https://doc.rust-lang.org/rust-by-example/flow_control/if_let.html)
-- [while let](https://doc.rust-lang.org/rust-by-example/flow_control/while_let.html)
diff --git a/rustlings/exercises/12_options/options1.rs b/rustlings/exercises/12_options/options1.rs
deleted file mode 100644
index be97952..0000000
--- a/rustlings/exercises/12_options/options1.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-// This function returns how much ice cream there is left in the fridge.
-// If it's before 22:00 (24-hour system), then 5 scoops are left. At 22:00,
-// someone eats it all, so no ice cream is left (value 0). Return `None` if
-// `hour_of_day` is higher than 23.
-fn maybe_ice_cream(hour_of_day: u16) -> Option<u16> {
-    if hour_of_day >= 24 {
-        return None;
-    }
-    if hour_of_day >= 22 {
-        return Some(0);
-    }
-    Some(5)
-}
-
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn raw_value() {
-        // TODO: Fix this test. How do you get the value contained in the
-        // Option?
-        let ice_creams = maybe_ice_cream(12).unwrap();
-
-        assert_eq!(ice_creams, 5); // Don't change this line.
-    }
-
-    #[test]
-    fn check_ice_cream() {
-        assert_eq!(maybe_ice_cream(0), Some(5));
-        assert_eq!(maybe_ice_cream(9), Some(5));
-        assert_eq!(maybe_ice_cream(18), Some(5));
-        assert_eq!(maybe_ice_cream(22), Some(0));
-        assert_eq!(maybe_ice_cream(23), Some(0));
-        assert_eq!(maybe_ice_cream(24), None);
-        assert_eq!(maybe_ice_cream(25), None);
-    }
-}
diff --git a/rustlings/exercises/12_options/options2.rs b/rustlings/exercises/12_options/options2.rs
deleted file mode 100644
index 1039d61..0000000
--- a/rustlings/exercises/12_options/options2.rs
+++ /dev/null
@@ -1,39 +0,0 @@
-fn main() {
-    // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn simple_option() {
-        let target = "rustlings";
-        let optional_target = Some(target);
-
-        // TODO: Make this an if-let statement whose value is `Some`.
-        if let Some(word) = optional_target {
-            assert_eq!(word, target);
-        }
-    }
-
-    #[test]
-    fn layered_option() {
-        let range = 10;
-        let mut optional_integers: Vec<Option<i8>> = vec![None];
-
-        for i in 1..=range {
-            optional_integers.push(Some(i));
-        }
-
-        let mut cursor = range;
-
-        // TODO: Make this a while-let statement. Remember that `Vec::pop()`
-        // adds another layer of `Option`. You can do nested pattern matching
-        // in if-let and while-let statements.
-        while let Some(Some(integer)) = optional_integers.pop() {
-            assert_eq!(integer, cursor);
-            cursor -= 1;
-        }
-
-        assert_eq!(cursor, 0);
-    }
-}
diff --git a/rustlings/exercises/12_options/options3.rs b/rustlings/exercises/12_options/options3.rs
deleted file mode 100644
index aecb7a5..0000000
--- a/rustlings/exercises/12_options/options3.rs
+++ /dev/null
@@ -1,17 +0,0 @@
-#[derive(Debug)]
-struct Point {
-    x: i32,
-    y: i32,
-}
-
-fn main() {
-    let optional_point = Some(Point { x: 100, y: 200 });
-
-    // TODO: Fix the compiler error by adding something to this match statement.
-    match optional_point {
-        Some(ref p) => println!("Coordinates are {},{}", p.x, p.y),
-        _ => panic!("No match!"),
-    }
-
-    println!("{optional_point:?}"); // Don't change this line.
-}