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bimap()

bimap<E, G, A, B>(f, g): (fa) => TaskEither<G, B>

Maps functions over both Left and Right values.

Type Parameters​

E: E​

The original error type.

G: G extends ErrorType​

The new error type.

A: A​

The original success type.

B: B​

The new success type.

Parameters​

f: (e) => G​

The error mapping function.

g: (a) => B​

The success mapping function.

Returns​

A function that transforms the TaskEither.

Since​

2.0.0