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Invariant

Model​

Model​

Invariant​

Signature​

export interface Invariant<F> {
  readonly imap: <A, B>(fa: HKT<F, A>, f: (a: A) => B, g: (b: B) => A) => HKT<F, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant1​

Signature​

export interface Invariant1<F extends URIS> {
  readonly imap: <A, B>(fa: Kind<F, A>, f: (a: A) => B, g: (b: B) => A) => Kind<F, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant2​

Signature​

export interface Invariant2<F extends URIS2> {
  readonly imap: <E, A, B>(fa: Kind2<F, E, A>, f: (a: A) => B, g: (b: B) => A) => Kind2<F, E, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant2C​

Signature​

export interface Invariant2C<F extends URIS2, E> {
  readonly _E: E
  readonly imap: <A, B>(fa: Kind2<F, E, A>, f: (a: A) => B, g: (b: B) => A) => Kind2<F, E, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant3​

Signature​

export interface Invariant3<F extends URIS3> {
  readonly imap: <R, E, A, B>(fa: Kind3<F, R, E, A>, f: (a: A) => B, g: (b: B) => A) => Kind3<F, R, E, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant3C​

Signature​

export interface Invariant3C<F extends URIS3, E> {
  readonly _E: E
  readonly imap: <R, A, B>(fa: Kind3<F, R, E, A>, f: (a: A) => B, g: (b: B) => A) => Kind3<F, R, E, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti

Invariant4​

Signature​

export interface Invariant4<F extends URIS4> {
  readonly imap: <S, R, E, A, B>(fa: Kind4<F, S, R, E, A>, f: (a: A) => B, g: (b: B) => A) => Kind4<F, S, R, E, B>
  readonly URI: F
}

Details​

  • Added in 0.1.0

License​

  • MIT – Copyright (c) 2017-present Giulio Canti