ErrorResult class Null safety

A result representing a thrown error.

Implemented types

Constructors

ErrorResult(Object error, [StackTrace? stackTrace])

Properties

asError ErrorResult
If this is an error result, returns itself.
read-onlyoverride
asFuture Future<Never>
A future that has been completed with this result as a value or an error.
read-onlyoverride
asValue ValueResult<Never>?
If this is a value result, returns itself.
read-onlyoverride
error Object
The error object that was thrown.
final
hashCode int
The hash code for this object.
read-onlyoverride
isError bool
Whether this result is an error result.
read-onlyoverride
isValue bool
Whether this result is a value result.
read-onlyoverride
runtimeType Type
A representation of the runtime type of the object.
read-onlyinherited
stackTrace StackTrace
The stack trace corresponding to where error was thrown.
final

Methods

addTo(EventSink sink) → void
Adds this result to an EventSink.
override
complete(Completer completer) → void
Completes a completer with this result.
override
handle(Function errorHandler) → void
Calls an error handler with the error and stacktrace.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
toString() String
A string representation of this object.
inherited

Operators

operator ==(Object other) bool
This is equal only to an error result with equal error and stackTrace.
override