/** * @since 2.3.0 */ import { Applicative2 } from './Applicative' import { Apply2 } from './Apply' import { Chain2 } from './Chain' import { FromIO2 } from './FromIO' import { FromReader2 } from './FromReader' import { FromTask2 } from './FromTask' import { Functor2 } from './Functor' import { IO } from './IO' import { Monad2 } from './Monad' import { MonadIO2 } from './MonadIO' import { MonadTask2 } from './MonadTask' import { Monoid } from './Monoid' import { Pointed2 } from './Pointed' import * as R from './Reader' import * as RIO from './ReaderIO' import { ReadonlyNonEmptyArray } from './ReadonlyNonEmptyArray' import { Semigroup } from './Semigroup' import * as T from './Task' import ReaderIO = RIO.ReaderIO import Task = T.Task /** * @category model * @since 2.3.0 */ export interface ReaderTask<R, A> { (r: R): Task<A> } /** * @category conversions * @since 2.3.0 */ export declare const fromReader: <R, A>(fa: R.Reader<R, A>) => ReaderTask<R, A> /** * @category conversions * @since 2.3.0 */ export declare const fromTask: <A, R = unknown>(fa: Task<A>) => ReaderTask<R, A> /** * @category conversions * @since 2.3.0 */ export declare const fromIO: <A, R = unknown>(fa: IO<A>) => ReaderTask<R, A> /** * @category conversions * @since 2.13.0 */ export declare const fromReaderIO: <R, A>(fa: ReaderIO<R, A>) => ReaderTask<R, A> /** * Changes the value of the local context during the execution of the action `ma` (similar to `Contravariant`'s * `contramap`). * * @since 2.3.0 */ export declare const local: <R2, R1>(f: (r2: R2) => R1) => <A>(ma: ReaderTask<R1, A>) => ReaderTask<R2, A> /** * Less strict version of [`asksReaderTask`](#asksreadertask). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category constructors * @since 2.11.0 */ export declare const asksReaderTaskW: <R1, R2, A>(f: (r1: R1) => ReaderTask<R2, A>) => ReaderTask<R1 & R2, A> /** * Effectfully accesses the environment. * * @category constructors * @since 2.11.0 */ export declare const asksReaderTask: <R, A>(f: (r: R) => ReaderTask<R, A>) => ReaderTask<R, A> /** * `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types * use the type constructor `F` to represent some computational context. * * @category mapping * @since 2.3.0 */ export declare const map: <A, B>(f: (a: A) => B) => <R>(fa: ReaderTask<R, A>) => ReaderTask<R, B> /** * @since 2.3.0 */ export declare const ap: <R, A>(fa: ReaderTask<R, A>) => <B>(fab: ReaderTask<R, (a: A) => B>) => ReaderTask<R, B> /** * Less strict version of [`ap`](#ap). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @since 2.8.0 */ export declare const apW: <R2, A>( fa: ReaderTask<R2, A> ) => <R1, B>(fab: ReaderTask<R1, (a: A) => B>) => ReaderTask<R1 & R2, B> /** * @category constructors * @since 2.3.0 */ export declare const of: <R = unknown, A = never>(a: A) => ReaderTask<R, A> /** * Composes computations in sequence, using the return value of one computation to determine the next computation. * * @category sequencing * @since 2.3.0 */ export declare const chain: <A, R, B>(f: (a: A) => ReaderTask<R, B>) => (ma: ReaderTask<R, A>) => ReaderTask<R, B> /** * Less strict version of [`chain`](#chain). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category sequencing * @since 2.6.7 */ export declare const chainW: <R2, A, B>( f: (a: A) => ReaderTask<R2, B> ) => <R1>(ma: ReaderTask<R1, A>) => ReaderTask<R1 & R2, B> /** * Less strict version of [`flatten`](#flatten). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category sequencing * @since 2.11.0 */ export declare const flattenW: <R1, R2, A>(mma: ReaderTask<R1, ReaderTask<R2, A>>) => ReaderTask<R1 & R2, A> /** * @category sequencing * @since 2.3.0 */ export declare const flatten: <R, A>(mma: ReaderTask<R, ReaderTask<R, A>>) => ReaderTask<R, A> /** * @category type lambdas * @since 2.3.0 */ export declare const URI = 'ReaderTask' /** * @category type lambdas * @since 2.3.0 */ export declare type URI = typeof URI declare module './HKT' { interface URItoKind2<E, A> { readonly [URI]: ReaderTask<E, A> } } /** * @category instances * @since 2.7.0 */ export declare const Functor: Functor2<URI> /** * @category mapping * @since 2.10.0 */ export declare const flap: <A>(a: A) => <E, B>(fab: ReaderTask<E, (a: A) => B>) => ReaderTask<E, B> /** * @category instances * @since 2.10.0 */ export declare const Pointed: Pointed2<URI> /** * Runs computations in parallel. * * @category instances * @since 2.10.0 */ export declare const ApplyPar: Apply2<URI> /** * Combine two effectful actions, keeping only the result of the first. * * @since 2.3.0 */ export declare const apFirst: <E, B>(second: ReaderTask<E, B>) => <A>(first: ReaderTask<E, A>) => ReaderTask<E, A> /** * Combine two effectful actions, keeping only the result of the second. * * @since 2.3.0 */ export declare const apSecond: <E, B>(second: ReaderTask<E, B>) => <A>(first: ReaderTask<E, A>) => ReaderTask<E, B> /** * Runs computations in parallel. * * @category instances * @since 2.7.0 */ export declare const ApplicativePar: Applicative2<URI> /** * Runs computations sequentially. * * @category instances * @since 2.10.0 */ export declare const ApplySeq: Apply2<URI> /** * Runs computations sequentially. * * @category instances * @since 2.7.0 */ export declare const ApplicativeSeq: Applicative2<URI> /** * @category instances * @since 2.10.0 */ export declare const Chain: Chain2<URI> /** * @category instances * @since 2.10.0 */ export declare const Monad: Monad2<URI> /** * @category instances * @since 2.10.0 */ export declare const MonadIO: MonadIO2<URI> /** * @category instances * @since 2.10.0 */ export declare const MonadTask: MonadTask2<URI> /** * Composes computations in sequence, using the return value of one computation to determine the next computation and * keeping only the result of the first. * * @category sequencing * @since 2.3.0 */ export declare const chainFirst: <A, R, B>( f: (a: A) => ReaderTask<R, B> ) => (first: ReaderTask<R, A>) => ReaderTask<R, A> /** * Less strict version of [`chainFirst`](#chainfirst). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category sequencing * @since 2.11.0 */ export declare const chainFirstW: <R2, A, B>( f: (a: A) => ReaderTask<R2, B> ) => <R1>(ma: ReaderTask<R1, A>) => ReaderTask<R1 & R2, A> /** * @category instances * @since 2.10.0 */ export declare const FromIO: FromIO2<URI> /** * @category lifting * @since 2.4.0 */ export declare const fromIOK: <A extends ReadonlyArray<unknown>, B>( f: (...a: A) => IO<B> ) => <R = unknown>(...a: A) => ReaderTask<R, B> /** * @category sequencing * @since 2.4.0 */ export declare const chainIOK: <A, B>(f: (a: A) => IO<B>) => <R>(first: ReaderTask<R, A>) => ReaderTask<R, B> /** * @category sequencing * @since 2.10.0 */ export declare const chainFirstIOK: <A, B>(f: (a: A) => IO<B>) => <R>(first: ReaderTask<R, A>) => ReaderTask<R, A> /** * @category instances * @since 2.11.0 */ export declare const FromReader: FromReader2<URI> /** * Reads the current context. * * @category constructors * @since 2.3.0 */ export declare const ask: <R>() => ReaderTask<R, R> /** * Projects a value from the global context in a `ReaderTask`. * * @category constructors * @since 2.3.0 */ export declare const asks: <R, A>(f: (r: R) => A) => ReaderTask<R, A> /** * @category lifting * @since 2.11.0 */ export declare const fromReaderK: <A extends ReadonlyArray<unknown>, R, B>( f: (...a: A) => R.Reader<R, B> ) => (...a: A) => ReaderTask<R, B> /** * @category sequencing * @since 2.11.0 */ export declare const chainReaderK: <A, R, B>(f: (a: A) => R.Reader<R, B>) => (ma: ReaderTask<R, A>) => ReaderTask<R, B> /** * Less strict version of [`chainReaderK`](#chainreaderk). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category sequencing * @since 2.11.0 */ export declare const chainReaderKW: <A, R1, B>( f: (a: A) => R.Reader<R1, B> ) => <R2>(ma: ReaderTask<R2, A>) => ReaderTask<R1 & R2, B> /** * @category sequencing * @since 2.11.0 */ export declare const chainFirstReaderK: <A, R, B>( f: (a: A) => R.Reader<R, B> ) => (ma: ReaderTask<R, A>) => ReaderTask<R, A> /** * Less strict version of [`chainFirstReaderK`](#chainfirstreaderk). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category sequencing * @since 2.11.0 */ export declare const chainFirstReaderKW: <A, R1, B>( f: (a: A) => R.Reader<R1, B> ) => <R2>(ma: ReaderTask<R2, A>) => ReaderTask<R1 & R2, A> /** * @category lifting * @since 2.13.0 */ export declare const fromReaderIOK: <A extends readonly unknown[], R, B>( f: (...a: A) => RIO.ReaderIO<R, B> ) => (...a: A) => ReaderTask<R, B> /** * Less strict version of [`chainReaderIOK`](#chainreaderiok). * * @category sequencing * @since 2.13.0 */ export declare const chainReaderIOKW: <A, R2, B>( f: (a: A) => ReaderIO<R2, B> ) => <R1>(ma: ReaderTask<R1, A>) => ReaderTask<R1 & R2, B> /** * @category sequencing * @since 2.13.0 */ export declare const chainReaderIOK: <A, R, B>( f: (a: A) => ReaderIO<R, B> ) => (ma: ReaderTask<R, A>) => ReaderTask<R, B> /** * Less strict version of [`chainFirstReaderIOK`](#chainfirstreaderiok). * * @category sequencing * @since 2.13.0 */ export declare const chainFirstReaderIOKW: <A, R2, B>( f: (a: A) => ReaderIO<R2, B> ) => <R1>(ma: ReaderTask<R1, A>) => ReaderTask<R1 & R2, A> /** * @category sequencing * @since 2.13.0 */ export declare const chainFirstReaderIOK: <A, R, B>( f: (a: A) => ReaderIO<R, B> ) => (ma: ReaderTask<R, A>) => ReaderTask<R, A> /** * @category instances * @since 2.10.0 */ export declare const FromTask: FromTask2<URI> /** * @category lifting * @since 2.4.0 */ export declare const fromTaskK: <A extends ReadonlyArray<unknown>, B>( f: (...a: A) => T.Task<B> ) => <R = unknown>(...a: A) => ReaderTask<R, B> /** * @category sequencing * @since 2.4.0 */ export declare const chainTaskK: <A, B>(f: (a: A) => T.Task<B>) => <R>(first: ReaderTask<R, A>) => ReaderTask<R, B> /** * @category sequencing * @since 2.10.0 */ export declare const chainFirstTaskK: <A, B>(f: (a: A) => T.Task<B>) => <R>(first: ReaderTask<R, A>) => ReaderTask<R, A> /** * @category do notation * @since 2.9.0 */ export declare const Do: ReaderTask<unknown, {}> /** * @category do notation * @since 2.8.0 */ export declare const bindTo: <N extends string>( name: N ) => <E, A>(fa: ReaderTask<E, A>) => ReaderTask<E, { readonly [K in N]: A }> declare const let_: <N extends string, A, B>( name: Exclude<N, keyof A>, f: (a: A) => B ) => <E>(fa: ReaderTask<E, A>) => ReaderTask<E, { readonly [K in N | keyof A]: K extends keyof A ? A[K] : B }> export { /** * @category do notation * @since 2.13.0 */ let_ as let } /** * @category do notation * @since 2.8.0 */ export declare const bind: <N extends string, A, E, B>( name: Exclude<N, keyof A>, f: (a: A) => ReaderTask<E, B> ) => (ma: ReaderTask<E, A>) => ReaderTask<E, { readonly [K in N | keyof A]: K extends keyof A ? A[K] : B }> /** * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category do notation * @since 2.8.0 */ export declare const bindW: <N extends string, A, R2, B>( name: Exclude<N, keyof A>, f: (a: A) => ReaderTask<R2, B> ) => <R1>(fa: ReaderTask<R1, A>) => ReaderTask< R1 & R2, { readonly [K in keyof A | N]: K extends keyof A ? A[K] : B } > /** * @category do notation * @since 2.8.0 */ export declare const apS: <N extends string, A, E, B>( name: Exclude<N, keyof A>, fb: ReaderTask<E, B> ) => (fa: ReaderTask<E, A>) => ReaderTask<E, { readonly [K in N | keyof A]: K extends keyof A ? A[K] : B }> /** * Less strict version of [`apS`](#aps). * * The `W` suffix (short for **W**idening) means that the environment types will be merged. * * @category do notation * @since 2.8.0 */ export declare const apSW: <A, N extends string, R2, B>( name: Exclude<N, keyof A>, fb: ReaderTask<R2, B> ) => <R1>(fa: ReaderTask<R1, A>) => ReaderTask< R1 & R2, { readonly [K in keyof A | N]: K extends keyof A ? A[K] : B } > /** * @since 2.11.0 */ export declare const ApT: ReaderTask<unknown, readonly []> /** * Equivalent to `ReadonlyNonEmptyArray#traverseWithIndex(Applicative)`. * * @category traversing * @since 2.11.0 */ export declare const traverseReadonlyNonEmptyArrayWithIndex: <A, R, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: ReadonlyNonEmptyArray<A>) => ReaderTask<R, ReadonlyNonEmptyArray<B>> /** * Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`. * * @category traversing * @since 2.11.0 */ export declare const traverseReadonlyArrayWithIndex: <A, R, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: readonly A[]) => ReaderTask<R, readonly B[]> /** * Equivalent to `ReadonlyNonEmptyArray#traverseWithIndex(ApplicativeSeq)`. * * @category traversing * @since 2.11.0 */ export declare const traverseReadonlyNonEmptyArrayWithIndexSeq: <R, A, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: ReadonlyNonEmptyArray<A>) => ReaderTask<R, ReadonlyNonEmptyArray<B>> /** * Equivalent to `ReadonlyArray#traverseWithIndex(ApplicativeSeq)`. * * @category traversing * @since 2.11.0 */ export declare const traverseReadonlyArrayWithIndexSeq: <R, A, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: readonly A[]) => ReaderTask<R, readonly B[]> /** * Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`. * * @category traversing * @since 2.9.0 */ export declare const traverseArrayWithIndex: <R, A, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: ReadonlyArray<A>) => ReaderTask<R, ReadonlyArray<B>> /** * Equivalent to `ReadonlyArray#traverseWithIndex(Applicative)`. * * @category traversing * @since 2.9.0 */ export declare const traverseArray: <R, A, B>( f: (a: A) => ReaderTask<R, B> ) => (as: readonly A[]) => ReaderTask<R, readonly B[]> /** * Equivalent to `ReadonlyArray#sequence(Applicative)`. * * @category traversing * @since 2.9.0 */ export declare const sequenceArray: <R, A>(arr: ReadonlyArray<ReaderTask<R, A>>) => ReaderTask<R, ReadonlyArray<A>> /** * Equivalent to `ReadonlyArray#traverseWithIndex(ApplicativeSeq)`. * * @category traversing * @since 2.10.0 */ export declare const traverseSeqArrayWithIndex: <R, A, B>( f: (index: number, a: A) => ReaderTask<R, B> ) => (as: ReadonlyArray<A>) => ReaderTask<R, ReadonlyArray<B>> /** * Equivalent to `ReadonlyArray#traverse(ApplicativeSeq)`. * * @category traversing * @since 2.10.0 */ export declare const traverseSeqArray: <R, A, B>( f: (a: A) => ReaderTask<R, B> ) => (as: readonly A[]) => ReaderTask<R, readonly B[]> /** * Use `traverseReadonlyArrayWithIndexSeq` instead. * * @category zone of death * @since 2.10.0 * @deprecated */ export declare const sequenceSeqArray: <R, A>(arr: ReadonlyArray<ReaderTask<R, A>>) => ReaderTask<R, ReadonlyArray<A>> /** * This instance is deprecated, use small, specific instances instead. * For example if a function needs a `Functor` instance, pass `RT.Functor` instead of `RT.readerTask` * (where `RT` is from `import RT from 'fp-ts/ReaderTask'`) * * @category zone of death * @since 2.3.0 * @deprecated */ export declare const readerTask: MonadTask2<URI> /** * This instance is deprecated, use small, specific instances instead. * For example if a function needs a `Functor` instance, pass `RT.Functor` instead of `RT.readerTaskSeq` * (where `RT` is from `import RT from 'fp-ts/ReaderTask'`) * * @category zone of death * @since 2.3.0 * @deprecated */ export declare const readerTaskSeq: typeof readerTask /** * Use [`getApplySemigroup`](./Apply.ts.html#getapplysemigroup) instead. * * @category zone of death * @since 2.3.0 * @deprecated */ export declare const getSemigroup: <R, A>(S: Semigroup<A>) => Semigroup<ReaderTask<R, A>> /** * Use [`getApplicativeMonoid`](./Applicative.ts.html#getapplicativemonoid) instead. * * @category zone of death * @since 2.3.0 * @deprecated */ export declare const getMonoid: <R, A>(M: Monoid<A>) => Monoid<ReaderTask<R, A>> /** * @category zone of death * @since 2.4.0 * @deprecated */ export declare function run<R, A>(ma: ReaderTask<R, A>, r: R): Promise<A>