Method last_mut

cranelift/entity/src/primary.rs:153–157

Returns the last element that was inserted in the map.

(&mut self)

    /// Returns the last element that was inserted in the map.
    pub fn last_mut(&mut self) -> Option<(K, &mut V)> {
        let len = self.elems.len();
        let last = self.elems.last_mut()?;
        Some((K::new(len - 1), last))
    }

    /// Reserves capacity for at least `additional` more elements to be inserted.
    pub fn reserve(&mut self, additional: usize) {