24 lines
564 B
Rust
24 lines
564 B
Rust
use std::ops::Range;
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/// Return true if two ranges overlap
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///
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/// assert_eq!(ranges::overlap(0..7, 3..10), true);
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/// assert_eq!(ranges::overlap(1..5, 101..105), false);
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///
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/// If either range is empty, they don't count as overlapping.
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///
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/// assert_eq!(ranges::overlap(0..0, 0..10), false);
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///
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pub fn overlap(r1: Range<usize>, r2: Range<usize>) -> bool {
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r1.start < r1.end && r2.start < r2.end &&
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r1.start < r2.end && r2.start < r1.end
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn it_works() {
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assert_eq!(2 + 2, 4);
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}
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}
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