7e2df67fee
Coverage to Makefile.toml. Added branch to map! to allow for instantiating with default values.
29 lines
613 B
Rust
29 lines
613 B
Rust
/// Modify self to contain only distinct elements.
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pub trait Distinct {
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/// Modify self to contain only distinct elements.
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fn distinct(&mut self);
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}
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impl<T: PartialEq + Clone> Distinct for Vec<T> {
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fn distinct(&mut self) {
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*self = self.iter().fold(vec![], |mut acc, x| {
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if !acc.contains(x) {
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acc.push(x.clone());
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}
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acc
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});
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}
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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_distinct() {
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let mut vec = vec![1, 2, 3, 1, 2, 3];
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vec.distinct();
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assert_eq!(vec, vec![1, 2, 3]);
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}
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}
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