Function isLeft

isLeft<L, R>(x: Either.Either<L, R>): x is Either.Left<L>
Type Parameters
- L
- R
Parameters
- x: Either.Either<L, R>
Returns x is Either.Left<L>
- Defined in packages/registry/build/src/either.d.ts:15
isLeft<L, R>(x: unknown): x is Either.Left<L>
Type Parameters
- L
- R
Parameters
- x: unknown
Returns x is Either.Left<L>
- Defined in packages/registry/build/src/either.d.ts:16