single
function single<T>(predicate?: (
value: T,
index: number,
source: Observable<T>,
) => boolean): MonoTypeOperatorFunction<T>;§
single<T>(predicate?: (value: T, index: number, source: Observable<T>) => boolean): MonoTypeOperatorFunction<T>
[src]§Parameters
§
predicate?: (value: T, index: number, source: Observable<T>) => boolean optional
[src]