Feature class abstract

Information about a single language feature whose presence or absence depends on the supported Dart SDK version, and possibly on the presence of experimental flags.

Constructors

Feature()

Properties

experimentalFlag → String?
If the feature may be enabled or disabled on the command line, the experimental flag that may be used to enable it. Otherwise null.
no setter
hashCode → int
The hash code for this object.
no setterinherited
releaseVersion → Version?
If status is not future, the first language version in which this feature was enabled by default. Otherwise null.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
status → FeatureStatus
The status of the feature.
no setter

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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

Static Properties

constant_update_2018 → ExperimentalFeature
Feature information for the 2018 constant update.
final
constructor_tearoffs → ExperimentalFeature
Feature information for constructor tear-offs.
final
control_flow_collections → ExperimentalFeature
Feature information for control flow collections.
final
extension_methods → ExperimentalFeature
Feature information for extension methods.
final
extension_types → ExperimentalFeature
Feature information for extension types.
final
generic_metadata → ExperimentalFeature
Feature information for generic metadata.
final
named_arguments_anywhere → ExperimentalFeature
Feature information for named arguments anywhere.
final
non_nullable → ExperimentalFeature
Feature information for non-nullability by default.
final
nonfunction_type_aliases → ExperimentalFeature
Feature information for non-function type aliases.
final
set_literals → ExperimentalFeature
Feature information for set literals.
final
spread_collections → ExperimentalFeature
Feature information for spread collections.
final
super_parameters → ExperimentalFeature
Feature information for super parameters.
final
triple_shift → ExperimentalFeature
Feature information for the triple-shift operator.
final
variance → ExperimentalFeature
Feature information for variance.
final