union

union<K, V>(other): (m) => ReadonlyMap<K, V>

Defined in: Utils/Dict.ts:345

Merges two dictionaries. When both contain the same key, the value from other takes precedence.

Type Parameters

K

K

V

V

Parameters

other

ReadonlyMap<K, V>

Returns

(m): ReadonlyMap<K, V>

Parameters

m

ReadonlyMap<K, V>

Returns

ReadonlyMap<K, V>

Example

pipe(
  Dict.fromEntries([["a", 1], ["b", 2]]),
  Dict.union(Dict.fromEntries([["b", 3], ["c", 4]])),
);
// ReadonlyMap { "a" => 1, "b" => 3, "c" => 4 }