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/exercises/14_generics/generics2.rs | 31 +++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 rust/rustlings/exercises/14_generics/generics2.rs (limited to 'rust/rustlings/exercises/14_generics/generics2.rs') diff --git a/rust/rustlings/exercises/14_generics/generics2.rs b/rust/rustlings/exercises/14_generics/generics2.rs new file mode 100644 index 0000000..ba77625 --- /dev/null +++ b/rust/rustlings/exercises/14_generics/generics2.rs @@ -0,0 +1,31 @@ +// This powerful wrapper provides the ability to store a positive integer value. +// TODO: Rewrite it using a generic so that it supports wrapping ANY type. +struct Wrapper { + value: T, +} + +// TODO: Adapt the struct's implementation to be generic over the wrapped value. +impl Wrapper { + fn new(value: T) -> Self { + Wrapper { value } + } +} + +fn main() { + // You can optionally experiment here. +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn store_u32_in_wrapper() { + assert_eq!(Wrapper::new(42).value, 42); + } + + #[test] + fn store_str_in_wrapper() { + assert_eq!(Wrapper::new("Foo").value, "Foo"); + } +} -- cgit v1.2.3