Tuple overview
Added in v2.0.0
Table of contents
Extract
extract
Signature
export declare const extract: <E, A>(wa: [A, E]) => A
Added in v2.6.2
folding
foldMap
Signature
export declare const foldMap: <M>(M: Monoid<M>) => <A>(f: (a: A) => M) => <E>(fa: [A, E]) => M
Added in v2.0.0
reduce
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
reduceRight
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
instances
Bifunctor
Signature
export declare const Bifunctor: Bifunctor2<'Tuple'>
Added in v2.7.0
Comonad
Signature
export declare const Comonad: Comonad2<'Tuple'>
Added in v2.7.0
Foldable
Signature
export declare const Foldable: Foldable2<'Tuple'>
Added in v2.7.0
Functor
Signature
export declare const Functor: Functor2<'Tuple'>
Added in v2.7.0
Semigroupoid
Signature
export declare const Semigroupoid: Semigroupoid2<'Tuple'>
Added in v2.7.0
Traversable
Signature
export declare const Traversable: Traversable2<'Tuple'>
Added in v2.7.0
getApplicative
Signature
export declare function getApplicative<M>(M: Monoid<M>): Applicative2C<URI, M>
Added in v2.0.0
getApply
Signature
export declare function getApply<S>(S: Semigroup<S>): Apply2C<URI, S>
Added in v2.0.0
getChain
Signature
export declare function getChain<S>(S: Semigroup<S>): Chain2C<URI, S>
Added in v2.0.0
getChainRec
Signature
export declare function getChainRec<M>(M: Monoid<M>): ChainRec2C<URI, M>
Added in v2.0.0
getMonad
Signature
export declare function getMonad<M>(M: Monoid<M>): Monad2C<URI, M>
Added in v2.0.0
mapping
bimap
Map a pair of functions over the two type arguments of the bifunctor.
Signature
export declare const bimap: <E, G, A, B>(mapSnd: (e: E) => G, mapFst: (a: A) => B) => (fa: [A, E]) => [B, G]
Added in v2.0.0
flap
Signature
export declare const flap: <A>(a: A) => <E, B>(fab: [(a: A) => B, E]) => [B, E]
Added in v2.10.0
mapFst
Map a function over the first component of a Tuple.
This is the map operation of the Functor instance.
Signature
export declare const mapFst: <A, B>(f: (a: A) => B) => <E>(fa: [A, E]) => [B, E]
Added in v2.0.0
mapSnd
Map a function over the second component of a Tuple.
This is the mapLeft operation of the Bifunctor instance.
Signature
export declare const mapSnd: <E, G>(f: (e: E) => G) => <A>(fa: [A, E]) => [A, G]
Added in v2.10.0
traversing
sequence
Signature
export declare const sequence: Sequence2<'Tuple'>
Added in v2.6.3
traverse
Signature
export declare const traverse: PipeableTraverse2<'Tuple'>
Added in v2.6.3
type lambdas
URI
Signature
export declare const URI: 'Tuple'
Added in v2.0.0
URI (type alias)
Signature
export type URI = typeof URI
Added in v2.0.0
utils
compose
Signature
export declare const compose: <A, B>(ab: [B, A]) => <C>(bc: [C, B]) => [C, A]
Added in v2.0.0
duplicate
Signature
export declare const duplicate: <E, A>(wa: [A, E]) => [[A, E], E]
Added in v2.0.0
extend
Signature
export declare const extend: <E, A, B>(f: (wa: [A, E]) => B) => (wa: [A, E]) => [B, E]
Added in v2.0.0
fst
Signature
export declare const fst: <A, E>(ea: [A, E]) => A
Added in v2.0.0
snd
Signature
export declare const snd: <A, E>(ea: [A, E]) => E
Added in v2.0.0
swap
Signature
export declare const swap: <A, E>(ea: [A, E]) => [E, A]
Added in v2.0.0
zone of death
mapLeft
Use mapSnd instead.
Signature
export declare const mapLeft: <E, G>(f: (e: E) => G) => <A>(fa: [A, E]) => [A, G]
Added in v2.0.0
map
Use mapFst instead.
Signature
export declare const map: <A, B>(f: (a: A) => B) => <E>(fa: [A, E]) => [B, E]
Added in v2.0.0
tuple
This instance is deprecated, use small, specific instances instead. For example if a function needs a Functor instance, pass T.Functor instead of T.tuple (where T is from import T from 'fp-ts/Tuple')
Signature
export declare const tuple: Semigroupoid2<'Tuple'> &
Bifunctor2<'Tuple'> &
Comonad2<'Tuple'> &
Foldable2<'Tuple'> &
Traversable2<'Tuple'>
Added in v2.0.0