Method push

cranelift/entity/src/primary.rs:139–143

Append `v` to the mapping, assigning a new key which is returned.

(&mut self, v: V)

    /// Append `v` to the mapping, assigning a new key which is returned.
    pub fn push(&mut self, v: V) -> K {
        let k = self.next_key();
        self.elems.push(v);
        k
    }

    /// Returns the last element that was inserted in the map.
    pub fn last(&self) -> Option<(K, &V)> {