30 lines
858 B
Rust
30 lines
858 B
Rust
/// Given an array of arguments, return them sorted. Best utilised with array
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/// destructuring.
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pub fn ordered<T: Ord, const N: usize>(mut xs: [T; N]) -> [T; N] {
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xs.sort();
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xs
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}
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/// A macro which generates Eq, PartialEq, and PartialOrd implementations for
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/// some given type. These implementations are dependent on Ord already being
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/// implemented for that type.
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macro_rules! impl_cmp_eq_on_ord {
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($type:ident) => {
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impl PartialEq for $type {
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fn eq(&self, other: &Self) -> bool {
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self.cmp(other) == std::cmp::Ordering::Equal
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}
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}
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impl Eq for $type {}
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impl PartialOrd for $type {
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fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
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Some(self.cmp(other))
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}
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}
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};
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}
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pub(crate) use impl_cmp_eq_on_ord;
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