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bugfix: make sure len is in bounds of usize

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Henrik Friedrichsen
2019-03-24 01:02:08 +01:00
parent ab95e8f4b4
commit 2a7770177b
1 changed files with 2 additions and 2 deletions
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4
src/ui/listview.rs
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@@ -45,8 +45,8 @@ impl<I: ListItem> ListView<I> {
} }
pub fn move_focus_to(&mut self, target: usize) { pub fn move_focus_to(&mut self, target: usize) {
let len = self.content.read().unwrap().len(); let len = self.content.read().unwrap().len().saturating_sub(1);
self.selected = min(target, len - 1); self.selected = min(target, len);
self.scrollbar.scroll_to(self.selected); self.scrollbar.scroll_to(self.selected);
} }