has

has<K>(key): <V>(m) => boolean

Defined in: Data/Dict.ts:108

Returns true if the dictionary contains the given key.

Type Parameters

K

K

Parameters

key

K

Returns

<V>(m) => boolean

Example

pipe(Dict.fromEntries([["a", 1]]), Dict.has("a")); // true
pipe(Dict.fromEntries([["a", 1]]), Dict.has("b")); // false