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Tweak insert docs

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This commit is contained in:
Ariel Davis 2022-05-31 22:08:14 -07:00
parent 02916c4c75
commit b02146a370
3 changed files with 13 additions and 7 deletions
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5
compiler/rustc_data_structures/src/sso/set.rs
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@ -126,9 +126,10 @@ impl<T: Eq + Hash> SsoHashSet<T> {
/// Adds a value to the set.
///
/// If the set did not have this value present, `true` is returned.
/// Returns whether the value was newly inserted. That is:
///
/// If the set did have this value present, `false` is returned.
/// - If the set did not previously contain this value, `true` is returned.
/// - If the set already contained this value, `false` is returned.
#[inline]
pub fn insert(&mut self, elem: T) -> bool {
self.map.insert(elem, ()).is_none()