Error<S, E> class

Error Result.

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

Inheritance
Annotations

Constructors

Error(E _error)
Receives the E param as the error result.
const

Properties

hashCode → int
The hash code for this object.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

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>(W whenSuccess(S succcess), W whenError(E error)) → W
Return the result in one of these functions.
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.