mirror of
https://github.com/rust-lang/rustlings.git
synced 2024-12-28 00:00:03 +03:00
29 lines
672 B
Rust
29 lines
672 B
Rust
// vecs1.rs
|
|
//
|
|
// Your task is to create a `Vec` which holds the exact same elements as in the
|
|
// array `a`.
|
|
//
|
|
// Make me compile and pass the test!
|
|
//
|
|
// Execute `rustlings hint vecs1` or use the `hint` watch subcommand for a hint.
|
|
|
|
|
|
fn array_and_vec() -> ([i32; 4], Vec<i32>) {
|
|
let a = [10, 20, 30, 40]; // a plain array
|
|
|
|
// this is the common way to do it using the vector macro
|
|
let v = vec![10, 20, 30, 40];// TODO: declare your vector here with the macro for vectors
|
|
(a, v)
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_array_and_vec_similarity() {
|
|
let (a, v) = array_and_vec();
|
|
assert_eq!(a, v[..]);
|
|
}
|
|
}
|