I wrote this code in the short window between the lint being added and
being downgraded to pedantic.
/// Provides in-place mutable access to an occupied entry before any potential inserts into the
/// map.
#[inline]
/// Provides in-place mutable access to an occupied entry before any potential inserts into the
/// map.
#[inline]
- // std::collections::hash_map::Entry::and_modify doesn’t have #[must_use], I’ll follow suit.
- #[allow(clippy::return_self_not_must_use)]
pub fn and_modify<F: FnOnce(&mut V)>(self, f: F) -> Self {
match self {
Entry::Occupied(mut inner) => {
pub fn and_modify<F: FnOnce(&mut V)>(self, f: F) -> Self {
match self {
Entry::Occupied(mut inner) => {