Method insert_if_absent

cranelift/codegen/src/scoped_hash_map.rs:158–163

Insert a key-value pair if absent. No-op if already exists.

(&mut self, ctx: &C, key: K, value: V)

    /// Insert a key-value pair if absent. No-op if already exists.
    pub fn insert_if_absent<C>(&mut self, ctx: &C, key: K, value: V)
    where
        C: CtxEq<K, K> + CtxHash<K>,
    {
        self.insert_if_absent_with_depth(ctx, key, value, self.depth());
    }

    /// Insert a key-value pair if absent, using the given depth for
    /// the insertion. No-op if already exists.