Function fromEither

fromEither<R, L>(either: Right<R, L>, fallback: unknown): R
Standalone Either value extractor

Applied to 'right value' returns underlying value without using fallback Applied to 'left error' returns fallback
Type Parameters
- R
  underlying value type
- L
  underlying error type
Parameters
- either: Right<R, L>
  Either instance
- fallback: unknown
  value to be returned in case of 'left error'
Returns R
underlying value or fallback
- Defined in either.ts:580
fromEither<R, L, R2>(either: Left<R, L>, fallback: R2): R2
Standalone Either value extractor

Applied to 'right value' returns underlying value without using fallback Applied to 'left error' returns fallback
Type Parameters
- R
  underlying value type
- L
  underlying error type
- R2
  fallback value type
Parameters
- either: Left<R, L>
  Either instance
- fallback: R2
  value to be returned in case of 'left error'
Returns R2
underlying value or fallback
- Defined in either.ts:581
fromEither<R, L, R2>(either: Either<R, L>, fallback: R2): R | R2
Standalone Either value extractor

Applied to 'right value' returns underlying value without using fallback Applied to 'left error' returns fallback
Type Parameters
- R
  underlying value type
- L
  underlying error type
- R2
  fallback value type
Parameters
- either: Either<R, L>
  Either instance
- fallback: R2
  value to be returned in case of 'left error'
Returns R | R2
underlying value or fallback
- Defined in either.ts:582