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17 lines
367 B
Rust
17 lines
367 B
Rust
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//! Trait BoolExt
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/// Boolean extensions and chain.starters
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pub trait BoolExt {
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fn or<T, F: FnOnce() -> T>(self, f: F) -> Option<T>;
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fn or_some<T>(self, t: T) -> Option<T>;
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}
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impl BoolExt for bool {
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#[inline]
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fn or<T, F: FnOnce() -> T>(self, f: F) -> Option<T> { (!self).then(f) }
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#[inline]
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fn or_some<T>(self, t: T) -> Option<T> { (!self).then_some(t) }
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}
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