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Diffstat (limited to 'rustlings/exercises/14_generics/generics1.rs')
| -rw-r--r-- | rustlings/exercises/14_generics/generics1.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/rustlings/exercises/14_generics/generics1.rs b/rustlings/exercises/14_generics/generics1.rs new file mode 100644 index 0000000..87ed990 --- /dev/null +++ b/rustlings/exercises/14_generics/generics1.rs @@ -0,0 +1,18 @@ +// `Vec<T>` 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() { + // TODO: Fix the compiler error by annotating the type of the vector + // `Vec<T>`. Choose `T` as some integer type that can be created from + // `u8` and `i8`. + let mut numbers = Vec::new(); + + // Don't change the lines below. + let n1: u8 = 42; + numbers.push(n1.into()); + let n2: i8 = -1; + numbers.push(n2.into()); + + println!("{numbers:?}"); +} |