left()

left<E, A>(e): Either<E, A>

Creates a Left Either containing an error value.

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Type Parameters

E: E = never

The error type.

A: A = never

The success type.

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Parameters

e: E

The error value.

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Returns: Either<E, A>

A Left Either.

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Since

2.0.0

Left<E>

Interface

Represents the Left variant of Either containing an error value.

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Since

2.0.0

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Type Parameters

E: E

The error type.

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Properties

_tag: > readonly *\_tag*: "Left"

left

readonly left: E