Added in v2.0.0
Map a pair of functions over the two type arguments of the bifunctor.
Signature
export declare const bimap: <E, G, A, B>(f: (e: E) => G, g: (a: A) => B) => (fa: [A, E]) => [B, G]
Added in v2.0.0
Map a function over the first type argument of a bifunctor.
Signature
export declare const mapLeft: <E, G>(f: (e: E) => G) => <A>(fa: [A, E]) => [A, G]
Added in v2.0.0
Signature
export declare const extend: <E, A, B>(f: (wa: [A, E]) => B) => (wa: [A, E]) => [B, E]
Added in v2.0.0
Signature
export declare const extract: <E, A>(wa: [A, E]) => A
Added in v2.6.2
Signature
export declare const foldMap: <M>(M: Monoid<M>) => <A>(f: (a: A) => M) => <E>(fa: [A, E]) => M
Added in v2.0.0
Signature
export declare const reduce: <A, B>(b: B, f: (b: B, a: A) => B) => <E>(fa: [A, E]) => B
Added in v2.0.0
Signature
export declare const reduceRight: <A, B>(b: B, f: (a: A, b: B) => B) => <E>(fa: [A, E]) => B
Added in v2.0.0
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.
Signature
export declare const map: <A, B>(f: (a: A) => B) => <E>(fa: [A, E]) => [B, E]
Added in v2.0.0
Signature
export declare const compose: <A, B>(ab: [B, A]) => <C>(bc: [C, B]) => [C, A]
Added in v2.0.0
Derivable from Extend
.
Signature
export declare const duplicate: <E, A>(wa: [A, E]) => [[A, E], E]
Added in v2.0.0
Signature
export declare const swap: <A, E>(sa: [A, E]) => [E, A]
Added in v2.0.0
Signature
export declare const fst: <A, E>(ea: [A, E]) => A
Added in v2.0.0
Signature
export declare const snd: <A, E>(ea: [A, E]) => E
Added in v2.0.0
Signature
export declare const Bifunctor: Bifunctor2<'Tuple'>
Added in v2.7.0
Signature
export declare const Comonad: Comonad2<'Tuple'>
Added in v2.7.0
Signature
export declare const Foldable: Foldable2<'Tuple'>
Added in v2.7.0
Signature
export declare const Functor: Functor2<'Tuple'>
Added in v2.7.0
Signature
export declare const Semigroupoid: Semigroupoid2<'Tuple'>
Added in v2.7.0
Signature
export declare const Traversable: Traversable2<'Tuple'>
Added in v2.7.0
Signature
export declare const URI: 'Tuple'
Added in v2.0.0
Signature
export type URI = typeof URI
Added in v2.0.0
Signature
export declare const getApplicative: <M>(M: Monoid<M>) => Applicative2C<'Tuple', M>
Added in v2.0.0
Signature
export declare const getApply: <S>(S: Semigroup<S>) => Apply2C<'Tuple', S>
Added in v2.0.0
Signature
export declare const getChain: <S>(S: Semigroup<S>) => Chain2C<'Tuple', S>
Added in v2.0.0
Signature
export declare const getChainRec: <M>(M: Monoid<M>) => ChainRec2C<'Tuple', M>
Added in v2.0.0
Signature
export declare const getMonad: <M>(M: Monoid<M>) => Monad2C<'Tuple', M>
Added in v2.0.0
Signature
export declare const tuple: Semigroupoid2<'Tuple'> &
Bifunctor2<'Tuple'> &
Comonad2<'Tuple'> &
Foldable2<'Tuple'> &
Traversable2<'Tuple'>
Added in v2.0.0
Signature
export declare const sequence: Sequence2<'Tuple'>
Added in v2.6.3
Signature
export declare const traverse: PipeableTraverse2<'Tuple'>
Added in v2.6.3