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Sink overview

Sink is a data structure which can be used to consume values from a stream.

Added in v1.20.0


Table of contents


combinators

map

Transform the input value of a Sink.

Signature

export declare const map: {
  <B, A>(f: (b: B) => A): <E, R>(sink: Sink<A, E, R>) => Sink<B, E, R>
  <A, E, R, B>(sink: Sink<A, E, R>, f: (b: B) => A): Sink<B, E, R>
}

Added in v1.18.0

models

WithEarlyExit (interface)

A Sink which can be utilized to exit early from an Fx. Useful for operators the end the stream early.

Signature

export interface WithEarlyExit<A, E = never, R = never> extends Sink<A, E, R> {
  readonly earlyExit: Effect.Effect<void>
}

Added in v1.18.0

utils

Context (type alias)

Signature

export type Context<T> = Sink.Context<T>

Added in v1.20.0

Error (type alias)

Signature

export type Error<T> = Sink.Error<T>

Added in v1.20.0

Sink (interface)

Sink is a data structure which can be used to consume values from a stream.

Signature

export interface Sink<in A, in E = never, out R = never> {
  onFailure(cause: Cause.Cause<E>): Effect.Effect<unknown, never, R>
  onSuccess(value: A): Effect.Effect<unknown, never, R>
}

Added in v1.20.0

Sink (namespace)

Added in v1.20.0

Tagged (interface)

Signature

export interface Tagged<A, E, I> extends Sink<A, E, I> {
  readonly tag: C.Tagged<I, Sink<A, E>>
  readonly make: <R>(sink: Sink<A, E, R>) => Layer.Layer<I, never, R>
}

Added in v1.20.0

Context (type alias)

Signature

export type Context<T> = T extends Sink<infer _A, infer _E, infer R> ? R : never

Added in v1.20.0

Error (type alias)

Signature

export type Error<T> = T extends Sink<infer _A, infer E, infer _R> ? E : never

Added in v1.20.0

Success (type alias)

Signature

export type Success<T> = T extends Sink<infer A, infer _E, infer _R> ? A : never

Added in v1.20.0

Success (type alias)

Signature

export type Success<T> = Sink.Success<T>

Added in v1.20.0

dropAfter

Signature

export declare const dropAfter: {
  <A>(predicate: Predicate.Predicate<A>): <E, R>(sink: Sink<A, E, R>) => Sink<A, E, R>
  <A, E, R>(sink: Sink<A, E, R>, predicate: Predicate.Predicate<A>): Sink<A, E, R>
}

Added in v1.20.0

dropAfterEffect

Signature

export declare const dropAfterEffect: {
  <A, E2, R2>(
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>
  ): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R, E2, R2>(
    sink: Sink<A, E | E2, R>,
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>
  ): Sink<A, E | E2, R | R2>
}

Added in v1.20.0

dropWhile

Signature

export declare const dropWhile: {
  <A>(predicate: Predicate.Predicate<A>): <E, R>(sink: Sink<A, E, R>) => Sink<A, E, R>
  <A, E, R>(sink: Sink<A, E, R>, predicate: Predicate.Predicate<A>): Sink<A, E, R>
}

Added in v1.20.0

dropWhileEffect

Signature

export declare const dropWhileEffect: {
  <A, E2, R2>(
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>
  ): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R, E2, R2>(
    sink: Sink<A, E | E2, R>,
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>
  ): Sink<A, E | E2, R | R2>
}

Added in v1.20.0

filter

Signature

export declare function filter<A, E, R>(sink: Sink<A, E, R>, predicate: Predicate.Predicate<A>): Sink<A, E, R>

Added in v1.20.0

filterEffect

Signature

export declare const filterEffect: {
  <A, E2, R2>(f: (a: A) => Effect.Effect<boolean, E2, R2>): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R>(sink: Sink<A, E, R>, f: (a: A) => Effect.Effect<boolean, E, R>): Sink<A, E, R>
}

Added in v1.20.0

filterMap

Signature

export declare function filterMap<A, E, R, B>(sink: Sink<B, E, R>, f: (a: A) => Option.Option<B>): Sink<A, E, R>

Added in v1.20.0

filterMapEffect

Signature

export declare const filterMapEffect: {
  <B, A, E2, R2>(
    f: (b: B) => Effect.Effect<Option.Option<A>, E2, R2>
  ): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<B, E2 | E, R2 | R>
  <A, E, R, B, E2, R2>(
    sink: Sink<A, E | E2, R>,
    f: (b: B) => Effect.Effect<Option.Option<A>, E2, R2>
  ): Sink<B, E | E2, R | R2>
}

Added in v1.20.0

filterMapLoop

Signature

export declare const filterMapLoop: {
  <B, A, C>(seed: B, f: (acc: B, a: A) => readonly [Option.Option<C>, B]): <E, R>(sink: Sink<C, E, R>) => Sink<A, E, R>
  <A, E, R, B, C>(sink: Sink<C, E, R>, seed: B, f: (acc: B, a: A) => readonly [Option.Option<C>, B]): Sink<A, E, R>
}

Added in v1.20.0

filterMapLoopCause

Signature

export declare const filterMapLoopCause: {
  <B, A, C>(
    seed: B,
    f: (acc: B, a: Cause.Cause<A>) => readonly [Option.Option<Cause.Cause<C>>, B]
  ): <E, R>(sink: Sink<A, C, R>) => Sink<A, E, R>
  <A, E, R, B, C>(
    sink: Sink<A, C, R>,
    seed: B,
    f: (acc: B, a: Cause.Cause<E>) => readonly [Option.Option<Cause.Cause<C>>, B]
  ): Sink<A, E, R>
}

Added in v1.20.0

filterMapLoopCauseEffect

Signature

export declare function filterMapLoopCauseEffect<A, E, R, B, E2, R2, C>(
  sink: Sink<A, E2 | C, R>,
  seed: B,
  f: (acc: B, a: Cause.Cause<E>) => Effect.Effect<readonly [Option.Option<Cause.Cause<C>>, B], E2, R2>
): Sink<A, E, R | R2>

Added in v1.20.0

filterMapLoopEffect

Signature

export declare const filterMapLoopEffect: {
  <B, A, E2, R2, C>(
    seed: B,
    f: (acc: B, a: A) => Effect.Effect<readonly [Option.Option<C>, B], E2, R2>
  ): <E, R>(sink: Sink<C, E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R, B, R2, C>(
    sink: Sink<C, E, R>,
    seed: B,
    f: (acc: B, a: A) => Effect.Effect<readonly [Option.Option<C>, B], E, R2>
  ): Sink<A, E, R | R2>
}

Added in v1.20.0

fromTag

Signature

export declare const fromTag: {
  <S, B, E2, R2>(f: (s: S) => Sink<B, E2, R2>): <I>(tag: C.Tag<I, S>) => Sink<B, E2, R2 | I>
  <I, S, B, E2, R2>(tag: C.Tag<I, S>, f: (s: S) => Sink<B, E2, R2>): Sink<B, E2, I | R2>
}

Added in v1.20.0

ignoreInterrupt

Signature

export declare function ignoreInterrupt<A, E, R>(sink: Sink<A, E, R>): Sink<A, E, R>

Added in v1.20.0

loop

Signature

export declare const loop: {
  <B, A, C>(seed: B, f: (acc: B, a: A) => readonly [C, B]): <E, R>(sink: Sink<C, E, R>) => Sink<A, E, R>
  <A, E, R, B, C>(sink: Sink<C, E, R>, seed: B, f: (acc: B, a: A) => readonly [C, B]): Sink<A, E, R>
}

Added in v1.20.0

loopCause

Signature

export declare const loopCause: {
  <B, A, C>(
    seed: B,
    f: (acc: B, a: Cause.Cause<A>) => readonly [Cause.Cause<C>, B]
  ): <E, R>(sink: Sink<A, C, R>) => Sink<A, E, R>
  <A, E, R, B, C>(
    sink: Sink<A, C, R>,
    seed: B,
    f: (acc: B, a: Cause.Cause<E>) => readonly [Cause.Cause<C>, B]
  ): Sink<A, E, R>
}

Added in v1.20.0

loopCauseEffect

Signature

export declare const loopCauseEffect: {
  <B, A, E2, R2, C>(
    seed: B,
    f: (acc: B, a: Cause.Cause<A>) => Effect.Effect<readonly [Cause.Cause<C>, B], E2, R2>
  ): <E, R>(sink: Sink<A, C | E, R>) => Sink<A, C | E, R>
  <A, E, R, B, C>(
    sink: Sink<A, E | C, R>,
    seed: B,
    f: (acc: B, a: Cause.Cause<E>) => Effect.Effect<readonly [Cause.Cause<C>, B], E, R>
  ): Sink<A, E | C, R>
}

Added in v1.20.0

loopEffect

Signature

export declare const loopEffect: {
  <B, A, E2, R2, C>(
    seed: B,
    f: (acc: B, a: A) => Effect.Effect<readonly [C, B], E2, R2>
  ): <E, R>(sink: Sink<C, E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R, B, C>(
    sink: Sink<C, E, R>,
    seed: B,
    f: (acc: B, a: A) => Effect.Effect<readonly [C, B], E, R>
  ): Sink<A, E, R>
}

Added in v1.20.0

make

Signature

export declare function make<E, R, A, R2>(
  onFailure: (cause: Cause.Cause<E>) => Effect.Effect<unknown, never, R>,
  onSuccess: (value: A) => Effect.Effect<unknown, never, R2>
): Sink<A, E, R | R2>

Added in v1.20.0

mapEffect

Signature

export declare const mapEffect: {
  <B, A, E2, R2>(f: (b: B) => Effect.Effect<A, E2, R2>): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<B, E2 | E, R2 | R>
  <A, E, R, B, E2, R2>(sink: Sink<A, E | E2, R>, f: (b: B) => Effect.Effect<A, E2, R2>): Sink<B, E | E2, R | R2>
}

Added in v1.20.0

provide

Signature

export declare const provide: {
  <R2>(ctx: C.Context<R2>): <A, E, R>(sink: Sink<A, E, R>) => Sink<A, E, Exclude<R, R2>>
  <A, E, R, R2>(sink: Sink<A, E, R>, ctx: C.Context<R2>): Sink<A, E, Exclude<R, R2>>
}

Added in v1.20.0

setSpan

Signature

export declare const setSpan: {
  (span: Tracer.Span): <A, E, R>(sink: Sink<A, E, R>) => Sink<A, E, R>
  <A, E, R>(self: Sink<A, E, R>, span: Tracer.Span): Sink<A, E, R>
}

Added in v1.20.0

slice

Signature

export declare const slice: {
  <A, E, R, R2>(
    bounds: Bounds,
    f: (sink: Sink<A, E, R>) => Effect.Effect<unknown, never, R2>
  ): (sink: Sink<A, E, R>) => Effect.Effect<void, never, R | R2>
  <A, E, R, R2>(
    sink: Sink<A, E, R>,
    bounds: Bounds,
    f: (sink: Sink<A, E, R>) => Effect.Effect<unknown, never, R2>
  ): Effect.Effect<void, never, R | R2>
}

Added in v1.20.0

tagged

Signature

export declare function tagged<E, A>(): {
  <const I extends C.IdentifierFactory<any>>(identifier: I): Sink.Tagged<A, E, C.IdentifierOf<I>>
  <const I>(identifier: I): Sink.Tagged<A, E, C.IdentifierOf<I>>
}

Added in v1.20.0

takeWhile

Signature

export declare const takeWhile: {
  <A, E, R, B, R2>(
    predicate: Predicate.Predicate<A>,
    f: (sink: Sink<A, E, R>) => Effect.Effect<B, E, R2>
  ): (sink: Sink<A, E, R>) => Effect.Effect<void, never, R | R2>
  <A, E, R, B, R2>(
    sink: Sink<A, E, R>,
    predicate: Predicate.Predicate<A>,
    f: (sink: Sink<A, E, R>) => Effect.Effect<B, E, R2>
  ): Effect.Effect<void, never, R | R2>
}

Added in v1.20.0

takeWhileEffect

Signature

export declare const takeWhileEffect: {
  <A, E, R, E2, R2, R3, E3, B>(
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>,
    f: (sink: Sink<A, E, R | R2>) => Effect.Effect<B, E3, R3>
  ): <E, R>(sink: Sink<A, E, R>) => Effect.Effect<void, never, R3 | R>
  <A, E, R, E2, R2, R3, E3, B>(
    sink: Sink<A, E | E2 | E3, R>,
    predicate: (a: A) => Effect.Effect<boolean, E2, R2>,
    f: (sink: Sink<A, E, R | R2>) => Effect.Effect<B, E3, R3>
  ): Effect.Effect<void, never, R | R3>
}

Added in v1.20.0

tapEffect

Signature

export declare const tapEffect: {
  <A, E2, R2>(f: (a: A) => Effect.Effect<unknown, E2, R2>): <E, R>(sink: Sink<A, E2 | E, R>) => Sink<A, E2 | E, R2 | R>
  <A, E, R, E2, R2>(sink: Sink<A, E | E2, R>, f: (a: A) => Effect.Effect<unknown, E2, R2>): Sink<A, E | E2, R | R2>
}

Added in v1.20.0

withEarlyExit

Signature

export declare function withEarlyExit<A, E, R, B, R2>(
  sink: Sink<A, E, R>,
  f: (sink: WithEarlyExit<A, E, R>) => Effect.Effect<B, E, R2>
): Effect.Effect<void, never, R | R2>

Added in v1.20.0