Function filter

filter<A>(pred): Optic<A, A, A, A>
Filters the value only if satisfies pred.
Type Parameters
- A
Parameters
- pred: ((a) => boolean)
  Condition to filter.
  - - (a): boolean
    - Parameters
      a: A
      Returns boolean
Returns Optic<A, A, A, A>
The computation to filter the data.
- Defined in src/optical/prism.ts:72

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