Error<S, E> class final

Error Result.

return it when the result of a Result is not the expected value.

Inheritance

• Object
• Result<S, E>
• Error

Constructors

Error(E _error)

Receives the E param as the error result.

const

Properties

error → E

Error value

no setter

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

isError() → bool

Returns true if the current result is an Error.

override

isSuccess() → bool

Returns true if the current result is a Success.

override

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.

override

tryGetSuccess() → S?

Returns the value of S if any.

override

when<W>(SuccessCallback<W, S> whenSuccess, ErrorCallback<W, E> whenError) → W

Handle the result when success or error

override

whenError<R>(R whenError(E error)) → R

Execute whenError if the Result is an error.

override

whenSuccess<R>(R whenSuccess(S success)) → R?

Execute whenSuccess if the Result is a success.

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

unit<S>() → Error<S, Unit>

Build a Error with Unit value.