Function setMap

setMap<K, V>(map: {
set(key: K, val: V): void;
}, key: K, val: V): V
Set a value in a Map or WeakMap, and return the value.

Commonly used with constructions like return map.get(key) ?? setMap(map, key, calculateDefault()).
Type Parameters
- K
  The type of key accepted by the map
- V
  The type of value accepted by the map
Parameters
- map: {
  set(key: K, val: V): void;
  }
  - set:function
    - set(key: K, val: V): void
    - Parameters
      key: K
      val: V
      Returns void
      Defined in src/utils.ts:42
- key: K
- val: V
Returns V
- Defined in src/utils.ts:42