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find

deprecated
@deprecated

Use a closure instead of a thisArg. Signatures accepting a thisArg will be removed in v8.

function find<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>;
function find<T, S extends T, A>(predicate: (
this: A,
value: T,
index: number,
source: Observable<T>,
) => value is S
, thisArg: A): OperatorFunction<T, S | undefined>;
function find<T, S extends T>(predicate: (
value: T,
index: number,
source: Observable<T>,
) => value is S
): OperatorFunction<T, S | undefined>;
function find<T, A>(predicate: (
this: A,
value: T,
index: number,
source: Observable<T>,
) => boolean
, thisArg: A): OperatorFunction<T, T | undefined>;
function find<T>(predicate: (
value: T,
index: number,
source: Observable<T>,
) => boolean
): OperatorFunction<T, T | undefined>;
§
find<T>(predicate: BooleanConstructor): OperatorFunction<T, TruthyTypesOf<T>>
[src]

§Type Parameters

§Parameters

§
predicate: BooleanConstructor
[src]
§
find<T, S extends T, A>(predicate: (this: A, value: T, index: number, source: Observable<T>) => value is S, thisArg: A): OperatorFunction<T, S | undefined>
[src]

§Type Parameters

§
S extends T
[src]

§Parameters

§
predicate: (this: A, value: T, index: number, source: Observable<T>) => value is S
[src]
§
thisArg: A
[src]

§Return Type

§
OperatorFunction<T, S | undefined>
[src]
§
find<T, S extends T>(predicate: (value: T, index: number, source: Observable<T>) => value is S): OperatorFunction<T, S | undefined>
[src]

§Type Parameters

§
S extends T
[src]

§Parameters

§
predicate: (value: T, index: number, source: Observable<T>) => value is S
[src]

§Return Type

§
OperatorFunction<T, S | undefined>
[src]
§
find<T, A>(predicate: (this: A, value: T, index: number, source: Observable<T>) => boolean, thisArg: A): OperatorFunction<T, T | undefined>
[src]

§Type Parameters

§Parameters

§
predicate: (this: A, value: T, index: number, source: Observable<T>) => boolean
[src]
§
thisArg: A
[src]

§Return Type

§
OperatorFunction<T, T | undefined>
[src]
§
find<T>(predicate: (value: T, index: number, source: Observable<T>) => boolean): OperatorFunction<T, T | undefined>
[src]

§Type Parameters

§Parameters

§
predicate: (value: T, index: number, source: Observable<T>) => boolean
[src]

§Return Type

§
OperatorFunction<T, T | undefined>
[src]