Method get_mut

cranelift/entity/src/boxed_slice.rs:52–54

Get the element at `k` if it exists, mutable version.

(&mut self, k: K)

    /// Get the element at `k` if it exists, mutable version.
    pub fn get_mut(&mut self, k: K) -> Option<&mut V> {
        self.elems.get_mut(k.index())
    }

    /// Is this map completely empty?
    pub fn is_empty(&self) -> bool {