Function containsKey

containsKey<K>(
ord: TypeClass.Ord.Ord<K>,
): (key: K) => <V>(map: BTree.Map<K, V>) => boolean
Checks whether the map contains the entry by key.
Type Parameters
- K
Parameters
- ord: TypeClass.Ord.Ord<K>
  The Ord instance for K.
Returns (key: K) => <V>(map: BTree.Map<K, V>) => boolean
Whether the map contains key.
- Defined in src/btree.ts:269