Function getOrInsert

getOrInsert<C extends getOrInsert.Container>(
    ct: C,
    key: Parameters<C["get"]>[0] & Parameters<C["set"]>[0],
    make: () => Parameters<C["set"]>[1],
): Parameters<C["set"]>[1]
Retrieve or insert value in a Map-like container.
Type Parameters
- C extends getOrInsert.Container
Parameters
- ct: C
  Map-like container.
- key: Parameters<C["get"]>[0] & Parameters<C["set"]>[0]
  Map key.
- make: () => Parameters<C["set"]>[1]
  Function to create the value if needed.
Returns Parameters<C["set"]>[1]
Existing or newly created value.
- Defined in pkg/util/src/iter.ts:78