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authorHunter Kvalevog <hunter@kvog.sh>2026-10-02 21:53:51 -0500
committerHunter Kvalevog <hunter@kvog.sh>2026-10-02 21:53:51 -0500
commit4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 (patch)
tree17ba62056d6b691dd0217b0e8f1b3a5826dce0f6 /rustlings/solutions/05_vecs/vecs2.rs
parent02d8f1c62896576e1266553a56980eddbc2a88d7 (diff)
rustlings: move to rust/
Diffstat (limited to 'rustlings/solutions/05_vecs/vecs2.rs')
-rw-r--r--rustlings/solutions/05_vecs/vecs2.rs55
1 files changed, 0 insertions, 55 deletions
diff --git a/rustlings/solutions/05_vecs/vecs2.rs b/rustlings/solutions/05_vecs/vecs2.rs
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--- a/rustlings/solutions/05_vecs/vecs2.rs
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@@ -1,55 +0,0 @@
-fn vec_loop(input: &[i32]) -> Vec<i32> {
- let mut output = Vec::new();
-
- for element in input {
- output.push(2 * element);
- }
-
- output
-}
-
-fn vec_map_example(input: &[i32]) -> Vec<i32> {
- // An example of collecting a vector after mapping.
- // We map each element of the `input` slice to its value plus 1.
- // If the input is `[1, 2, 3]`, the output is `[2, 3, 4]`.
- input.iter().map(|element| element + 1).collect()
-}
-
-fn vec_map(input: &[i32]) -> Vec<i32> {
- // We will dive deeper into iterators, but for now, this is all what you
- // had to do!
- // Advanced note: This method is more efficient because it automatically
- // preallocates enough capacity. This can be done manually in `vec_loop`
- // using `Vec::with_capacity(input.len())` instead of `Vec::new()`.
- input.iter().map(|element| 2 * element).collect()
-}
-
-fn main() {
- // You can optionally experiment here.
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn test_vec_loop() {
- let input = [2, 4, 6, 8, 10];
- let ans = vec_loop(&input);
- assert_eq!(ans, [4, 8, 12, 16, 20]);
- }
-
- #[test]
- fn test_vec_map_example() {
- let input = [1, 2, 3];
- let ans = vec_map_example(&input);
- assert_eq!(ans, [2, 3, 4]);
- }
-
- #[test]
- fn test_vec_map() {
- let input = [2, 4, 6, 8, 10];
- let ans = vec_map(&input);
- assert_eq!(ans, [4, 8, 12, 16, 20]);
- }
-}