findIndex
deprecated@deprecated
Use a closure instead of a thisArg. Signatures accepting a thisArg will be removed in v8.
function findIndex<T>(predicate: BooleanConstructor): OperatorFunction<T, T extends Falsy ? -1 : number>;
function findIndex<T>(predicate: BooleanConstructor, thisArg: any): OperatorFunction<T, T extends Falsy ? -1 : number>;
function findIndex<T, A>(predicate: (
this: A,
value: T,
index: number,
source: Observable<T>,
) => boolean, thisArg: A): OperatorFunction<T, number>;function findIndex<T>(predicate: (
value: T,
index: number,
source: Observable<T>,
) => boolean): OperatorFunction<T, number>;§
findIndex<T>(predicate: BooleanConstructor, thisArg: any): OperatorFunction<T, T extends Falsy ? -1 : number>
[src]§Return Type
§
OperatorFunction<T, T extends Falsy ? -1 : number>
[src]§
findIndex<T, A>(predicate: (this: A, value: T, index: number, source: Observable<T>) => boolean, thisArg: A): OperatorFunction<T, number>
[src]§Parameters
§
predicate: (this: A, value: T, index: number, source: Observable<T>) => boolean
[src]§Return Type
§
OperatorFunction<T, number>
[src]§
findIndex<T>(predicate: (value: T, index: number, source: Observable<T>) => boolean): OperatorFunction<T, number>
[src]§Parameters
§
predicate: (value: T, index: number, source: Observable<T>) => boolean
[src]§Return Type
§
OperatorFunction<T, number>
[src]