API Reference > bentleyjs-core > Collections > IndexMap > constructor constructor Method Construct a new IndexMap. IndexMap<T>(compare: OrderedComparator<T, T>, maximumSize: number = Number.MAX_SAFE_INTEGER, clone: CloneFunction<T> = shallowClone): IndexMap<T> Parameter Type Description compare OrderedComparator<T, T> The function used to compare elements within the map. maximumSize number The maximum number of elements permitted in the IndexMap. The maximum index of an element is maximumSize-1. clone CloneFunction<T> The function invoked to clone a new element for insertion into the array. The default implementation simply returns its input. Returns - IndexMap<T> Defined in core/bentley/src/IndexMap.ts Line 43 Last Updated: 11 June, 2024