Method get_mut

core/src/compiler/ids.rs:54–56

Gets mutable access to the value and identifier for a `key`. Returns `None` if the key is not present.

(&mut self, key: &K)

    ///
    /// Returns `None` if the key is not present.
    pub(super) fn get_mut(&mut self, key: &K) -> Option<(&mut V, I)> {
        self.map.get_mut(key).map(|(v, i)| (v, *i))
    }

    /// Inserts the `key`/`value` pair into the hash map, assigning a new identifier
    /// to the `key` if it does not yet have one.