From c7eff9175d93ada8b6d50b511d7027a91b1a184b Mon Sep 17 00:00:00 2001 From: Hunter Kvalevog Date: Sun, 27 Sep 2026 15:36:09 -0500 Subject: rustlings: complete 14 --- rustlings/solutions/14_generics/generics1.rs | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'rustlings/solutions/14_generics/generics1.rs') diff --git a/rustlings/solutions/14_generics/generics1.rs b/rustlings/solutions/14_generics/generics1.rs index dcf2377..e2195fd 100644 --- a/rustlings/solutions/14_generics/generics1.rs +++ b/rustlings/solutions/14_generics/generics1.rs @@ -1,4 +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() { - // DON'T EDIT THIS SOLUTION FILE! - // It will be automatically filled after you finish the exercise. + // `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