rustlings/exercises/05_vecs/vecs1.rs

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// Your task is to create a `Vec` which holds the exact same elements as in the
// array `a`.
//
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// Make me compile and pass the test!
fn array_and_vec() -> ([i32; 4], Vec<i32>) {
let a = [10, 20, 30, 40]; // a plain array
let v = // TODO: declare your vector here with the macro for vectors
(a, v)
}
fn main() {
// You can optionally experiment here.
}
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#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_array_and_vec_similarity() {
let (a, v) = array_and_vec();
assert_eq!(a, v[..]);
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}
}