either/use_case library

Classes

Failure

Represents a failure in an operation, usually as the Left value of an Either.

NoParams

A class that represents a lack of parameters.

Unit

Represents a void-like value in functional programming.

UseCase<SuccessType, Params>

A contract for defining use cases (application business logic) in a clean architecture approach.

Constants

unit → const Unit

A singleton instance representing a unit of work with no meaningful value.

Typedefs

EitherFailure<T> = Either<Failure, T>

A type alias for an Either that has Failure as its Left type and T as its Right type.

FutureEither<T> = Future<Either<Failure, T>>

A type alias for a Future that completes with an EitherFailure.

FutureEitherUnit = FutureEither<Unit>

A shorthand for a FutureEither that completes with a Unit result.

GMap = Map<String, dynamic>

A type alias for a Map<String, dynamic> often used for generic JSON-like objects or data payloads.