Result<S, E> class sealed

Base Result class

Receives two values E and S as E is an error and S is a success.

Implementers

Constructors

Result()
Default constructor.
const
Result.error(E e)
Build a Result that returns a Error.
factory
Result.success(S s)
Build a Result that returns a Error.
factory

Properties

hashCode int
The hash code for this object.
read-onlyinherited
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

isError() bool
Returns true if the current result is an Error.
isSuccess() bool
Returns true if the current result is a Success.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited
tryGetError() → E?
Returns the value of E if any.
tryGetSuccess() → S?
Returns the value of S if any.
when<W>(SuccessCallback<W, S> whenSuccess, ErrorCallback<W, E> whenError) → W
Handle the result when success or error
whenError<R>(R whenError(E error)) → R?
Execute whenError if the Result is an error.
whenSuccess<R>(R whenSuccess(S success)) → R?
Execute whenSuccess if the Result is a success.

Operators

operator ==(Object other) bool
The equality operator.
inherited