90 lines
2.1 KiB
TypeScript
90 lines
2.1 KiB
TypeScript
/**
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* ```ts
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* interface Separated<E, A> {
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* readonly left: E
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* readonly right: A
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* }
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* ```
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*
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* Represents a result of separating a whole into two parts.
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*
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* @since 2.10.0
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*/
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import { Functor2 } from './Functor'
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import { Bifunctor2 } from './Bifunctor'
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/**
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* A `Separated` type which holds `left` and `right` parts.
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*
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* @category model
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* @since 2.10.0
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*/
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export interface Separated<E, A> {
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readonly left: E
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readonly right: A
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}
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/**
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* @category constructors
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* @since 2.10.0
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*/
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export declare const separated: <E, A>(left: E, right: A) => Separated<E, A>
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/**
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* `map` can be used to turn functions `(a: A) => B` into functions `(fa: F<A>) => F<B>` whose argument and return types
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* use the type constructor `F` to represent some computational context.
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*
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* @category mapping
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* @since 2.10.0
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*/
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export declare const map: <A, B>(f: (a: A) => B) => <E>(fa: Separated<E, A>) => Separated<E, B>
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/**
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* Map a function over the first type argument of a bifunctor.
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*
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* @category error handling
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* @since 2.10.0
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*/
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export declare const mapLeft: <E, G>(f: (e: E) => G) => <A>(fa: Separated<E, A>) => Separated<G, A>
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/**
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* Map a pair of functions over the two type arguments of the bifunctor.
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*
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* @category mapping
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* @since 2.10.0
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*/
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export declare const bimap: <E, G, A, B>(f: (e: E) => G, g: (a: A) => B) => (fa: Separated<E, A>) => Separated<G, B>
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/**
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* @category type lambdas
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* @since 2.10.0
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*/
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export declare const URI = 'Separated'
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/**
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* @category type lambdas
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* @since 2.10.0
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*/
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export declare type URI = typeof URI
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declare module './HKT' {
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interface URItoKind2<E, A> {
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readonly [URI]: Separated<E, A>
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}
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}
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/**
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* @category instances
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* @since 2.10.0
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*/
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export declare const Bifunctor: Bifunctor2<URI>
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/**
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* @category instances
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* @since 2.10.0
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*/
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export declare const Functor: Functor2<URI>
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/**
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* @category mapping
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* @since 2.10.0
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*/
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export declare const flap: <A>(a: A) => <E, B>(fab: Separated<E, (a: A) => B>) => Separated<E, B>
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/**
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* @since 2.10.0
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*/
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export declare const left: <E, A>(s: Separated<E, A>) => E
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/**
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* @since 2.10.0
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*/
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export declare const right: <E, A>(s: Separated<E, A>) => A
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