20 lines
558 B
Rust
20 lines
558 B
Rust
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use {TextRange, TextUnit};
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pub fn contains_offset_nonstrict(range: TextRange, offset: TextUnit) -> bool {
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range.start() <= offset && offset <= range.end()
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}
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pub fn is_subrange(range: TextRange, subrange: TextRange) -> bool {
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range.start() <= subrange.start() && subrange.end() <= range.end()
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}
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pub fn intersect(r1: TextRange, r2: TextRange) -> Option<TextRange> {
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let start = r1.start().max(r2.start());
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let end = r1.end().min(r2.end());
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if start <= end {
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Some(TextRange::from_to(start, end))
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} else {
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None
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}
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}
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