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pipelined

mapError

mapError<E, F, A>(f): (outcome) => Outcome<F, A>

Defined in: Core/Op.ts:710

Transforms the error value. Ok and Nil pass through unchanged.

Type Parameters

Section titled “Type Parameters”

E

Section titled “E”

E

F

Section titled “F”

F

A

Section titled “A”

A

Parameters

Section titled “Parameters”

f

Section titled “f”

(e) => F

Returns

Section titled “Returns”

(outcome) => Outcome<F, A>

Example

Section titled “Example”
pipe(outcome, Op.mapError(e => e.message));