84 lines
1.9 KiB
TypeScript
84 lines
1.9 KiB
TypeScript
/**
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* @since 2.0.0
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*/
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import { Comonad2C } from './Comonad'
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import { Functor2 } from './Functor'
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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 Traced<P, A> {
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(p: P): A
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}
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/**
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* Extracts a value at a relative position which depends on the current value.
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*
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* @since 2.0.0
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*/
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export declare function tracks<P, A>(M: Monoid<P>, f: (a: A) => P): (wa: Traced<P, A>) => A
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/**
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* Get the current position
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*
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* @since 2.0.0
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*/
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export declare function listen<P, A>(wa: Traced<P, A>): Traced<P, [A, P]>
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/**
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* Get a value which depends on the current position
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*
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* @since 2.0.0
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*/
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export declare function listens<P, B>(f: (p: P) => B): <A>(wa: Traced<P, A>) => Traced<P, [A, B]>
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/**
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* Apply a function to the current position
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*
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* @since 2.0.0
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*/
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export declare function censor<P>(f: (p: P) => P): <A>(wa: Traced<P, A>) => Traced<P, A>
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/**
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* @category instances
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* @since 2.0.0
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*/
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export declare function getComonad<P>(monoid: Monoid<P>): Comonad2C<URI, P>
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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 2.0.0
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*/
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export declare const map: <A, B>(f: (a: A) => B) => <E>(fa: Traced<E, A>) => Traced<E, B>
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/**
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* @category type lambdas
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* @since 2.0.0
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*/
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export declare const URI = 'Traced'
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/**
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* @category type lambdas
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* @since 2.0.0
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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]: Traced<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 2.7.0
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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: Traced<E, (a: A) => B>) => Traced<E, B>
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/**
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* Use [`Functor`](#functor) 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 const traced: Functor2<URI>
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