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Add Handles::first

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This commit is contained in:
Hanno Braun 2023-09-27 10:47:32 +02:00
parent 8f40971d94
commit 1f776e7ff9
1 changed files with 11 additions and 0 deletions
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11
crates/fj-core/src/objects/handles.rs
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@ -80,6 +80,17 @@ impl<T> Handles<T> {
item item
} }
/// Return the first item
///
/// # Panics
///
/// Panics, if there are no items.
pub fn first(&self) -> &Handle<T> {
self.inner
.first()
.expect("Requested first item, but no items available")
}
/// Return the n-th item /// Return the n-th item
pub fn nth(&self, index: usize) -> Option<&Handle<T>> { pub fn nth(&self, index: usize) -> Option<&Handle<T>> {
self.inner.get(index) self.inner.get(index)