ReadonlyIndexedCollection<T> Interface
Package: @esfx/collection-core
A ReadonlyIndexedCollection<T> describes an indexed collection object, such as an Array, that can contain other values, has a known size, and whose elements can be accessed by ordinal index.
Declaration
export interface ReadonlyIndexedCollection<T> extends ReadonlyCollection<T> Inherited Members
Methods
[ReadonlyIndexedCollection.getAt](index)
Gets the value at the specified index in the collection, or undefined if the index was outside of the bounds of the collection.
Declaration
[ReadonlyIndexedCollection.getAt](index: number): T | undefined;Parameters
- index
- number
Returns
T | undefined
[ReadonlyIndexedCollection.indexOf](value, fromIndex)
Gets the index for a value in the collection, or -1 if the value was not found.
Declaration
[ReadonlyIndexedCollection.indexOf](value: T, fromIndex?: number): number;Parameters
- value
- T
- fromIndex
- number