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map()

map<A, B>(f): <E>(fa) => Either<E, B>

Maps a function over the Right value of an Either.

Type Parameters​

A: A​

The original success type.

B: B​

The new success type.

Parameters​

f: (a) => B​

The mapping function.

Returns: <E>(fa): Either<E, B>​

A function that transforms the Either.

Since​

2.0.0