From 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 Mon Sep 17 00:00:00 2001 From: Hunter Kvalevog Date: Fri, 2 Oct 2026 21:53:51 -0500 Subject: rustlings: move to rust/ --- rust/rustlings/solutions/12_options/options3.rs | 27 +++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 rust/rustlings/solutions/12_options/options3.rs (limited to 'rust/rustlings/solutions/12_options/options3.rs') diff --git a/rust/rustlings/solutions/12_options/options3.rs b/rust/rustlings/solutions/12_options/options3.rs new file mode 100644 index 0000000..c918f71 --- /dev/null +++ b/rust/rustlings/solutions/12_options/options3.rs @@ -0,0 +1,27 @@ +#[derive(Debug)] +struct Point { + x: i32, + y: i32, +} + +fn main() { + let optional_point = Some(Point { x: 100, y: 200 }); + + // Solution 1: Matching over the `Option` (not `&Option`) but without moving + // out of the `Some` variant. + match optional_point { + Some(ref p) => println!("Coordinates are {},{}", p.x, p.y), + // ^^^ added + _ => panic!("No match!"), + } + + // Solution 2: Matching over a reference (`&Option`) by added `&` before + // `optional_point`. + match &optional_point { + //^ added + Some(p) => println!("Coordinates are {},{}", p.x, p.y), + _ => panic!("No match!"), + } + + println!("{optional_point:?}"); +} -- cgit v1.2.3