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flatten()

flatten<E, A>(mma): Either<E, A>

Flattens a nested Either.

Type Parameters​

E: E​

The error type.

A: A​

The success type.

Parameters​

mma: Either<E, Either<E, A>>​

The nested Either.

Returns: Either<E, A>​

The flattened Either.

Since​

2.0.0