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97a723508c
Learners were sometimes confused by the literal array. Their assumption was that they are supposed to convert the array to a vector. Duplicating the literal elements was not an intuitive solution. This redesign avoids putting an identical array literal near the place where learners are supposed to use the vec! macro.
22 lines
388 B
Rust
22 lines
388 B
Rust
fn elems_to_vec(a: i32, b: i32, c: i32) -> Vec<i32> {
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vec![a, b, c]
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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_elems_to_vec() {
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let (a, b, c) = (2, 7, 12);
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let v = elems_to_vec(a, b, c);
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assert_eq!(v[0], a);
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assert_eq!(v[1], b);
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assert_eq!(v[2], c);
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}
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}
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