SortedMapBuilder | /sorted/map-custom/index.ts | rimbu@1.0.0

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

method SortedMapBuilder.prototype.modifyAtInternal

Re-export

import { SortedMapBuilder } from "https://deno.land/x/rimbu@1.0.0/sorted/map-custom/index.ts";

modifyAtInternal(key: K, options: { ifNew?: OptLazyOr<V, Token>; ifExists?: (currentValue: V, remove: Token) => V | Token; }): boolean

Parameters

key: K

options: { ifNew?: OptLazyOr<V, Token>; ifExists?: (currentValue: V, remove: Token) => V | Token; }

boolean