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Ariel Davis 2023-05-06 15:42:15 -07:00
parent 1cf74802ab
commit 369e430b05
1 changed files with 3 additions and 1 deletions
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lib/line-index/src/lib.rs
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@ -214,7 +214,9 @@ impl LineIndex {
Some(LineCol { line: line_col.line, col })
}
/// Returns an iterator over the ranges for the lines.
/// Given a range [start, end), returns a sorted iterator of non-empty ranges [start, x1), [x1,
/// x2), ..., [xn, end) where all the xi, which are positions of newlines, are inside the range
/// [start, end).
pub fn lines(&self, range: TextRange) -> impl Iterator<Item = TextRange> + '_ {
let lo = self.newlines.partition_point(|&it| it < range.start());
let hi = self.newlines.partition_point(|&it| it <= range.end());