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Edit rustc_index::vec::IndexVec::pick3_mut docs #99557

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Jul 21, 2022
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Edit rustc_index::vec::IndexVec::pick3_mut docs #99557

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8 changes: 6 additions & 2 deletions compiler/rustc_index/src/vec.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,9 @@ impl<I: Idx, T> IndexVec<I, T> {
self.raw.get_mut(index.index())
}

/// Returns mutable references to two distinct elements, a and b. Panics if a == b.
/// Returns mutable references to two distinct elements, `a` and `b`.
///
/// Panics if `a == b`.
#[inline]
pub fn pick2_mut(&mut self, a: I, b: I) -> (&mut T, &mut T) {
let (ai, bi) = (a.index(), b.index());
Expand All @@ -249,7 +251,9 @@ impl<I: Idx, T> IndexVec<I, T> {
}
}

/// Returns mutable references to three distinct elements or panics otherwise.
/// Returns mutable references to three distinct elements.
///
/// Panics if the elements are not distinct.
#[inline]
pub fn pick3_mut(&mut self, a: I, b: I, c: I) -> (&mut T, &mut T, &mut T) {
let (ai, bi, ci) = (a.index(), b.index(), c.index());
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