Interface PropLens<K>

Type parameters

K: PropertyKey

Hierarchy

Lens<Readonly<Record<K, any>>, any>
- PropLens

Index

Properties

get
update

Methods

Properties

Readonly get

get: <R>(r: R) => R[K]

Type declaration

- <R>(r: R): R[K]
- Type parameters
  - R: Readonly<Record<K, any>>
  Parameters
  - r: R
  Returns R[K]

Readonly update

update: { <B, R>(update: Arity1<B, B>, r: R): R; <B>(update: Arity1<B, B>): <R>(r: R) => R }

Type declaration

- <B, R>(update: Arity1<B, B>, r: R): R
- <B>(update: Arity1<B, B>): <R>(r: R) => R
- Type parameters
  - B
  - R: Readonly<Record<K, B>>
  Parameters
  - update: Arity1<B, B>
  - r: R
  Returns R
- Type parameters
  - B
  Parameters
  - update: Arity1<B, B>
  Returns <R>(r: R) => R
  - - <R>(r: R): R
    - Type parameters
      - R: Readonly<Record<K, B>>
      Parameters
      - r: R
      Returns R

Methods

create

create<A, B>(get: Arity1<A, B>, set: Arity2<B, A, A>): Lens<A, B>

- Defined in packages/lenses/source/Lens.ts:10
Type parameters
- A
- B
Parameters
- get: Arity1<A, B>
- set: Arity2<B, A, A>
Returns Lens<A, B>

id

id<A>(): Lens<A, A>

- Defined in packages/lenses/source/Lens.ts:15
Type parameters
- A
Returns Lens<A, A>

prop

prop<A, K>(key: K): Lens<A, A[K]>

- Defined in packages/lenses/source/Lens.ts:21
Type parameters
- A
- K: keyof A
Parameters
- key: K
Returns Lens<A, A[K]>

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