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/14_generics/generics1.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 rust/rustlings/solutions/14_generics/generics1.rs (limited to 'rust/rustlings/solutions/14_generics/generics1.rs') diff --git a/rust/rustlings/solutions/14_generics/generics1.rs b/rust/rustlings/solutions/14_generics/generics1.rs new file mode 100644 index 0000000..e2195fd --- /dev/null +++ b/rust/rustlings/solutions/14_generics/generics1.rs @@ -0,0 +1,17 @@ +// `Vec` is generic over the type `T`. In most cases, the compiler is able to +// infer `T`, for example after pushing a value with a concrete type to the vector. +// But in this exercise, the compiler needs some help through a type annotation. + +fn main() { + // `u8` and `i8` can both be converted to `i16`. + let mut numbers: Vec = Vec::new(); + // ^^^^^^^^^^ added + + // Don't change the lines below. + let n1: u8 = 42; + numbers.push(n1.into()); + let n2: i8 = -1; + numbers.push(n2.into()); + + println!("{numbers:?}"); +} -- cgit v1.2.3