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Refactor retrieving oldest and newest selection

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-11-18 15:04:12 +01:00
parent 0a6293bcda
commit 401b59be5c
4 changed files with 149 additions and 30 deletions
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32
crates/buffer/src/selection.rs
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@ -116,4 +116,36 @@ impl SelectionSet {
goal: state.goal,
})
}
pub fn oldest_selection<'a, D, C>(&'a self, content: C) -> Option<Selection<D>>
where
D: 'a + TextDimension<'a>,
C: 'a + Into<Content<'a>>,
{
self.selections
.min_by_key(content, |selection| selection.id)
.map(|(range, state)| Selection {
id: state.id,
start: range.start,
end: range.end,
reversed: state.reversed,
goal: state.goal,
})
}
pub fn newest_selection<'a, D, C>(&'a self, content: C) -> Option<Selection<D>>
where
D: 'a + TextDimension<'a>,
C: 'a + Into<Content<'a>>,
{
self.selections
.max_by_key(content, |selection| selection.id)
.map(|(range, state)| Selection {
id: state.id,
start: range.start,
end: range.end,
reversed: state.reversed,
goal: state.goal,
})
}
}