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28 lines
535 B
Rust
28 lines
535 B
Rust
fn vec_loop(input: &[i32]) -> Vec<i32> {
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let mut output = Vec::new();
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for element in input {
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// TODO: Multiply each element in the `input` slice by 2 and push it to
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// the `output` vector.
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output.push(element * 2);
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}
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output
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}
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fn main() {
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// You can optionally experiment here.
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_vec_loop() {
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let input = [2, 4, 6, 8, 10];
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let ans = vec_loop(&input);
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assert_eq!(ans, [4, 8, 12, 16, 20]);
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}
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}
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