Function mapState

mapState<S, A, B>(fn): ((s) => State<S, B>)
Maps both the return value and final state of the computation by fn.
Type Parameters
- S
- A
- B
Parameters
- fn: ((a) => [B, S])
  The mapper between the result of computation.
  - - (a): [B, S]
    - Parameters
      a: [A, S]
      Returns [B, S]
Returns ((s) => State<S, B>)
The mapped computation.
- - (s): State<S, B>
  - Parameters
    - s: State<S, A>
    Returns State<S, B>
- Defined in src/state.ts:202

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