424 lines
15 KiB
TypeScript
424 lines
15 KiB
TypeScript
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/**
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* @since 2.0.0
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*/
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import { Applicative, Applicative1, Applicative2, Applicative2C, Applicative3 } from './Applicative'
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import { HKT, Kind, Kind2, Kind3, URIS, URIS2, URIS3, URIS4, Kind4 } from './HKT'
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import { Monad, Monad1, Monad2, Monad2C, Monad3, Monad3C } from './Monad'
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import { Monoid } from './Monoid'
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable<F> {
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readonly URI: F
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readonly reduce: <A, B>(fa: HKT<F, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: HKT<F, A>, f: (a: A) => M) => M
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readonly reduceRight: <A, B>(fa: HKT<F, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable1<F extends URIS> {
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readonly URI: F
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readonly reduce: <A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: Kind<F, A>, f: (a: A) => M) => M
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readonly reduceRight: <A, B>(fa: Kind<F, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable2<F extends URIS2> {
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readonly URI: F
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readonly reduce: <E, A, B>(fa: Kind2<F, E, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <E, A>(fa: Kind2<F, E, A>, f: (a: A) => M) => M
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readonly reduceRight: <E, A, B>(fa: Kind2<F, E, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable2C<F extends URIS2, E> {
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readonly URI: F
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readonly _E: E
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readonly reduce: <A, B>(fa: Kind2<F, E, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: Kind2<F, E, A>, f: (a: A) => M) => M
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readonly reduceRight: <A, B>(fa: Kind2<F, E, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable3<F extends URIS3> {
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readonly URI: F
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readonly reduce: <R, E, A, B>(fa: Kind3<F, R, E, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <R, E, A>(fa: Kind3<F, R, E, A>, f: (a: A) => M) => M
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readonly reduceRight: <R, E, A, B>(fa: Kind3<F, R, E, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.2.0
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*/
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export interface Foldable3C<F extends URIS3, E> {
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readonly URI: F
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readonly _E: E
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readonly reduce: <R, A, B>(fa: Kind3<F, R, E, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <R, A>(fa: Kind3<F, R, E, A>, f: (a: A) => M) => M
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readonly reduceRight: <R, A, B>(fa: Kind3<F, R, E, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* @category model
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* @since 2.0.0
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*/
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export interface Foldable4<F extends URIS4> {
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readonly URI: F
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readonly reduce: <S, R, E, A, B>(fa: Kind4<F, S, R, E, A>, b: B, f: (b: B, a: A) => B) => B
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readonly foldMap: <M>(M: Monoid<M>) => <S, R, E, A>(fa: Kind4<F, S, R, E, A>, f: (a: A) => M) => M
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readonly reduceRight: <S, R, E, A, B>(fa: Kind4<F, S, R, E, A>, b: B, f: (a: A, b: B) => B) => B
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}
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/**
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* `reduce` composition.
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*
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* @since 2.10.0
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*/
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export declare function reduce<F extends URIS, G extends URIS>(
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F: Foldable1<F>,
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G: Foldable1<G>
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): <B, A>(b: B, f: (b: B, a: A) => B) => (fga: Kind<F, Kind<G, A>>) => B
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export declare function reduce<F, G>(
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F: Foldable<F>,
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G: Foldable<G>
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): <B, A>(b: B, f: (b: B, a: A) => B) => (fga: HKT<F, HKT<G, A>>) => B
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/**
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* `foldMap` composition.
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*
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* @since 2.10.0
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*/
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export declare function foldMap<F extends URIS, G extends URIS>(
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F: Foldable1<F>,
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G: Foldable1<G>
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): <M>(M: Monoid<M>) => <A>(f: (a: A) => M) => (fga: Kind<F, Kind<G, A>>) => M
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export declare function foldMap<F, G>(
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F: Foldable<F>,
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G: Foldable<G>
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): <M>(M: Monoid<M>) => <A>(f: (a: A) => M) => (fga: HKT<F, HKT<G, A>>) => M
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/**
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* `reduceRight` composition.
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*
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* @since 2.10.0
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*/
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export declare function reduceRight<F extends URIS, G extends URIS>(
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F: Foldable1<F>,
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G: Foldable1<G>
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): <B, A>(b: B, f: (a: A, b: B) => B) => (fga: Kind<F, Kind<G, A>>) => B
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export declare function reduceRight<F, G>(
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F: Foldable<F>,
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G: Foldable<G>
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): <B, A>(b: B, f: (a: A, b: B) => B) => (fga: HKT<F, HKT<G, A>>) => B
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/**
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* Similar to 'reduce', but the result is encapsulated in a monad.
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*
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* Note: this function is not generally stack-safe, e.g., for monads which build up thunks a la `IO`.
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*
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* @example
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* import { reduceM } from 'fp-ts/Foldable'
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* import { Monad, some } from 'fp-ts/Option'
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* import { make, Foldable } from 'fp-ts/Tree'
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* import { pipe } from 'fp-ts/function'
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*
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* const t = make(1, [make(2, []), make(3, []), make(4, [])])
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* assert.deepStrictEqual(pipe(t, reduceM(Monad, Foldable)(0, (b, a) => (a > 2 ? some(b + a) : some(b)))), some(7))
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*
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* @since 2.8.0
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*/
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export declare function reduceM<M extends URIS3, F extends URIS>(
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M: Monad3<M>,
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F: Foldable1<F>
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): <B, A, R, E>(b: B, f: (b: B, a: A) => Kind3<M, R, E, B>) => (fa: Kind<F, A>) => Kind3<M, R, E, B>
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export declare function reduceM<M extends URIS3, F extends URIS, E>(
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M: Monad3C<M, E>,
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F: Foldable1<F>
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): <B, A, R>(b: B, f: (b: B, a: A) => Kind3<M, R, E, B>) => (fa: Kind<F, A>) => Kind3<M, R, E, B>
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export declare function reduceM<M extends URIS2, F extends URIS>(
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M: Monad2<M>,
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F: Foldable1<F>
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): <B, A, E>(b: B, f: (b: B, a: A) => Kind2<M, E, B>) => (fa: Kind<F, A>) => Kind2<M, E, B>
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export declare function reduceM<M extends URIS2, F extends URIS, E>(
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M: Monad2C<M, E>,
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F: Foldable1<F>
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): <B, A>(b: B, f: (b: B, a: A) => Kind2<M, E, B>) => (fa: Kind<F, A>) => Kind2<M, E, B>
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export declare function reduceM<M extends URIS, F extends URIS>(
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M: Monad1<M>,
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F: Foldable1<F>
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): <B, A>(b: B, f: (b: B, a: A) => Kind<M, B>) => (fa: Kind<F, A>) => Kind<M, B>
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export declare function reduceM<M, F>(
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M: Monad<M>,
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F: Foldable<F>
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): <B, A>(b: B, f: (b: B, a: A) => HKT<M, B>) => (fa: HKT<F, A>) => HKT<M, B>
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/**
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* Fold a data structure, accumulating values in some `Monoid`, combining adjacent elements using the specified separator
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*
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* @example
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* import { intercalate } from 'fp-ts/Foldable'
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* import * as S from 'fp-ts/string'
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* import { make, Foldable } from 'fp-ts/Tree'
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*
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* const t = make('a', [make('b', []), make('c', []), make('d', [])])
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* assert.strictEqual(intercalate(S.Monoid, Foldable)('|', t), 'a|b|c|d')
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*
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* @since 2.0.0
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*/
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export declare function intercalate<M, F extends URIS3>(
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M: Monoid<M>,
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F: Foldable3<F>
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): <R, E>(middle: M, fm: Kind3<F, R, E, M>) => M
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export declare function intercalate<M, F extends URIS2>(
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M: Monoid<M>,
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F: Foldable2<F>
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): <E>(middle: M, fm: Kind2<F, E, M>) => M
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export declare function intercalate<M, F extends URIS2, E>(
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M: Monoid<M>,
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F: Foldable2C<F, E>
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): (middle: M, fm: Kind2<F, E, M>) => M
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export declare function intercalate<M, F extends URIS>(M: Monoid<M>, F: Foldable1<F>): (middle: M, fm: Kind<F, M>) => M
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export declare function intercalate<M, F>(M: Monoid<M>, F: Foldable<F>): (middle: M, fm: HKT<F, M>) => M
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/**
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* Transforms a `Foldable` into a `toReadonlyArray`.
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*
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* @example
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* import { toReadonlyArray } from 'fp-ts/Foldable'
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* import { Foldable, make } from 'fp-ts/Tree'
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*
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* const t = make(1, [make(2, []), make(3, []), make(4, [])])
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* assert.deepStrictEqual(toReadonlyArray(Foldable)(t), [1, 2, 3, 4])
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*
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* @since 2.10.0
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*/
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export declare function toReadonlyArray<F extends URIS4>(
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F: Foldable4<F>
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): <S, R, E, A>(fa: Kind4<F, S, R, E, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F extends URIS3>(
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F: Foldable3<F>
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): <R, E, A>(fa: Kind3<F, R, E, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F extends URIS3, E>(
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F: Foldable3C<F, E>
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): <R, A>(fa: Kind3<F, R, E, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F extends URIS2>(
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F: Foldable2<F>
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): <E, A>(fa: Kind2<F, E, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F extends URIS2, E>(
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F: Foldable2C<F, E>
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): <A>(fa: Kind2<F, E, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F extends URIS>(F: Foldable1<F>): <A>(fa: Kind<F, A>) => ReadonlyArray<A>
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export declare function toReadonlyArray<F>(F: Foldable<F>): <A>(fa: HKT<F, A>) => ReadonlyArray<A>
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/**
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* Traverse a data structure, performing some effects encoded by an `Applicative` functor at each value, ignoring the
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* final result.
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*
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* @example
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* import { Foldable } from 'fp-ts/Array'
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* import { traverse_ } from 'fp-ts/Foldable'
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* import { Applicative } from 'fp-ts/IO'
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*
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* let log = ''
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* const append = (s: string) => () => (log += s)
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* traverse_(Applicative, Foldable)(['a', 'b', 'c'], append)()
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* assert.strictEqual(log, 'abc')
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*
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* @since 2.0.0
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*/
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export declare function traverse_<M extends URIS3, F extends URIS>(
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M: Applicative3<M>,
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F: Foldable1<F>
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): <R, E, A, B>(fa: Kind<F, A>, f: (a: A) => Kind3<M, R, E, B>) => Kind3<M, R, E, void>
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export declare function traverse_<M extends URIS2, F extends URIS>(
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M: Applicative2<M>,
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F: Foldable1<F>
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): <E, A, B>(fa: Kind<F, A>, f: (a: A) => Kind2<M, E, B>) => Kind2<M, E, void>
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export declare function traverse_<M extends URIS2, F extends URIS, E>(
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M: Applicative2C<M, E>,
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F: Foldable1<F>
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): <A, B>(fa: Kind<F, A>, f: (a: A) => Kind2<M, E, B>) => Kind2<M, E, void>
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export declare function traverse_<M extends URIS, F extends URIS>(
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M: Applicative1<M>,
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F: Foldable1<F>
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): <A, B>(fa: Kind<F, A>, f: (a: A) => Kind<M, B>) => Kind<M, void>
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export declare function traverse_<M, F>(
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M: Applicative<M>,
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F: Foldable<F>
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): <A, B>(fa: HKT<F, A>, f: (a: A) => HKT<M, B>) => HKT<M, void>
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/**
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* Use [`reduceM`](#reducem) instead
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*
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* @category zone of death
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* @since 2.0.0
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* @deprecated
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*/
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export declare function foldM<M extends URIS3, F extends URIS>(
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M: Monad3<M>,
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F: Foldable1<F>
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): <R, E, A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => Kind3<M, R, E, B>) => Kind3<M, R, E, B>
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/** @deprecated */
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export declare function foldM<M extends URIS3, F extends URIS, E>(
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M: Monad3C<M, E>,
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F: Foldable1<F>
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): <R, A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => Kind3<M, R, E, B>) => Kind3<M, R, E, B>
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/** @deprecated */
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export declare function foldM<M extends URIS2, F extends URIS>(
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M: Monad2<M>,
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F: Foldable1<F>
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): <E, A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => Kind2<M, E, B>) => Kind2<M, E, B>
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/** @deprecated */
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export declare function foldM<M extends URIS2, F extends URIS, E>(
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M: Monad2C<M, E>,
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F: Foldable1<F>
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): <A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => Kind2<M, E, B>) => Kind2<M, E, B>
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/** @deprecated */
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export declare function foldM<M extends URIS, F extends URIS>(
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M: Monad1<M>,
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F: Foldable1<F>
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): <A, B>(fa: Kind<F, A>, b: B, f: (b: B, a: A) => Kind<M, B>) => Kind<M, B>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function foldM<M, F>(
|
||
|
|
M: Monad<M>,
|
||
|
|
F: Foldable<F>
|
||
|
|
): <A, B>(fa: HKT<F, A>, b: B, f: (b: B, a: A) => HKT<M, B>) => HKT<M, B>
|
||
|
|
/**
|
||
|
|
* Use [`toReadonlyArray`](#toreadonlyarray) instead
|
||
|
|
*
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.8.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export declare const toArray: typeof toReadonlyArray
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition<F, G> {
|
||
|
|
readonly reduce: <A, B>(fga: HKT<F, HKT<G, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: HKT<F, HKT<G, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <A, B>(fa: HKT<F, HKT<G, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition11<F extends URIS, G extends URIS> {
|
||
|
|
readonly reduce: <A, B>(fga: Kind<F, Kind<G, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: Kind<F, Kind<G, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <A, B>(fa: Kind<F, Kind<G, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition12<F extends URIS, G extends URIS2> {
|
||
|
|
readonly reduce: <E, A, B>(fga: Kind<F, Kind2<G, E, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <E, A>(fa: Kind<F, Kind2<G, E, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <E, A, B>(fa: Kind<F, Kind2<G, E, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition12C<F extends URIS, G extends URIS2, E> {
|
||
|
|
readonly reduce: <A, B>(fga: Kind<F, Kind2<G, E, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: Kind<F, Kind2<G, E, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <A, B>(fa: Kind<F, Kind2<G, E, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition21<F extends URIS2, G extends URIS> {
|
||
|
|
readonly reduce: <E, A, B>(fga: Kind2<F, E, Kind<G, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <E, A>(fa: Kind2<F, E, Kind<G, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <E, A, B>(fa: Kind2<F, E, Kind<G, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition2C1<F extends URIS2, G extends URIS, E> {
|
||
|
|
readonly reduce: <A, B>(fga: Kind2<F, E, Kind<G, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <A>(fa: Kind2<F, E, Kind<G, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <A, B>(fa: Kind2<F, E, Kind<G, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition22<F extends URIS2, G extends URIS2> {
|
||
|
|
readonly reduce: <FE, GE, A, B>(fga: Kind2<F, FE, Kind2<G, GE, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <FE, GE, A>(fa: Kind2<F, FE, Kind2<G, GE, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <FE, GE, A, B>(fa: Kind2<F, FE, Kind2<G, GE, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export interface FoldableComposition22C<F extends URIS2, G extends URIS2, E> {
|
||
|
|
readonly reduce: <FE, A, B>(fga: Kind2<F, FE, Kind2<G, E, A>>, b: B, f: (b: B, a: A) => B) => B
|
||
|
|
readonly foldMap: <M>(M: Monoid<M>) => <FE, A>(fa: Kind2<F, FE, Kind2<G, E, A>>, f: (a: A) => M) => M
|
||
|
|
readonly reduceRight: <FE, A, B>(fa: Kind2<F, FE, Kind2<G, E, A>>, b: B, f: (a: A, b: B) => B) => B
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Use
|
||
|
|
*
|
||
|
|
* - [reduce](#reduce)
|
||
|
|
* - [foldMap](#foldmap)
|
||
|
|
* - [reduceRight](#reduceright)
|
||
|
|
*
|
||
|
|
* instead.
|
||
|
|
*
|
||
|
|
* @category zone of death
|
||
|
|
* @since 2.0.0
|
||
|
|
* @deprecated
|
||
|
|
*/
|
||
|
|
export declare function getFoldableComposition<F extends URIS2, G extends URIS2, E>(
|
||
|
|
F: Foldable2<F>,
|
||
|
|
G: Foldable2C<G, E>
|
||
|
|
): FoldableComposition22C<F, G, E>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS2, G extends URIS2>(
|
||
|
|
F: Foldable2<F>,
|
||
|
|
G: Foldable2<G>
|
||
|
|
): FoldableComposition22<F, G>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS2, G extends URIS, E>(
|
||
|
|
F: Foldable2C<F, E>,
|
||
|
|
G: Foldable1<G>
|
||
|
|
): FoldableComposition2C1<F, G, E>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS2, G extends URIS>(
|
||
|
|
F: Foldable2<F>,
|
||
|
|
G: Foldable1<G>
|
||
|
|
): FoldableComposition21<F, G>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS, G extends URIS2, E>(
|
||
|
|
F: Foldable1<F>,
|
||
|
|
G: Foldable2C<G, E>
|
||
|
|
): FoldableComposition12C<F, G, E>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS, G extends URIS2>(
|
||
|
|
F: Foldable1<F>,
|
||
|
|
G: Foldable2<G>
|
||
|
|
): FoldableComposition12<F, G>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F extends URIS, G extends URIS>(
|
||
|
|
F: Foldable1<F>,
|
||
|
|
G: Foldable1<G>
|
||
|
|
): FoldableComposition11<F, G>
|
||
|
|
/** @deprecated */
|
||
|
|
export declare function getFoldableComposition<F, G>(F: Foldable<F>, G: Foldable<G>): FoldableComposition<F, G>
|