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This commit is contained in:
Ariel Davis 2023-05-06 15:14:02 -07:00
parent ed498b6eff
commit 1cf74802ab
1 changed files with 5 additions and 4 deletions
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9
lib/line-index/src/lib.rs
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@ -143,14 +143,15 @@ impl LineIndex {
///
/// # Panics
///
/// If the offset is invalid.
/// If the offset is invalid. See [`Self::try_line_col`].
pub fn line_col(&self, offset: TextSize) -> LineCol {
self.try_line_col(offset).expect("invalid offset")
}
/// Transforms the `TextSize` into a `LineCol`, or returns `None` if the `offset` was invalid,
/// e.g. if it extends past the end of the text or points to the middle of a multi-byte
/// character.
/// Transforms the `TextSize` into a `LineCol`.
///
/// Returns `None` if the `offset` was invalid, e.g. if it extends past the end of the text or
/// points to the middle of a multi-byte character.
pub fn try_line_col(&self, offset: TextSize) -> Option<LineCol> {
if offset > self.size {
return None;