Result class

Result is an object indicating success or failure of an operation

Implementers

• ResultOf

Constructors

Result({required bool isSuccess, List<ResultError> errors = const []})

const

Result.failWith(Object reason)

Result with fail reason

factory

Result.success()

Create success Result with value

const

Result.trySync(Result func(), {Result onError(dynamic e)?, void onFinally()?})

Wrapped on try/catch

factory

Properties

error → ResultError?

no setter

errorMessage → String

The reason why operation has been failed

no setter

errors → List<ResultError>

no setter

hashCode → int

The hash code for this object.

no setter, override

isFail → bool

Returns whether the Result is fail

no setter

isSuccess → bool

Returns whether the Result is success

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

add(Object reason) → void

Add another error

addAll(List<Object> errors) → void

Add other errors

contains<T extends ResultError>() → bool

Contains the Result a error or not

fold({required dynamic onFail(List<ResultError> errors), required dynamic onSuccess()}) → void

Fold the result

get<T extends ResultError>() → T?

try get the specific error

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Properties

ok → Result

Returns success Result

no setter

Static Methods

failIf(bool verify(), String reason) → Result

okIf(bool verify(), String reason) → Result

tryAsync(Future<Result> func(), {Result onError(dynamic e)?, void onFinally()?}) → Future<Result>

Wrapped on try/catch