SemanticsSortKey class Null safety
Base class for all sort keys for SemanticsProperties.sortKey accessibility traversal order sorting.
Sort keys are sorted by name, then by the comparison that the subclass implements. If SemanticsProperties.sortKey is specified, sort keys within the same semantic group must all be of the same type.
Keys with no name are compared to other keys with no name, and will be traversed before those with a name.
If no sort key is applied to a semantics node, then it will be ordered using a platform dependent default algorithm.
See also:
- OrdinalSortKey for a sort key that sorts using an ordinal.
- Implemented types
- Mixed in types
- Implementers
Constructors
- SemanticsSortKey({String? name})
-
Abstract const constructor. This constructor enables subclasses to provide
const constructors so that they can be used in const expressions.
const
Properties
Methods
-
compareTo(
SemanticsSortKey other) → int -
Compares this object to another object.
override
-
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
override
-
doCompare(
covariant SemanticsSortKey other) → int -
The implementation of compareTo.
protected">@protected
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent method or property is accessed.
inherited
-
toDiagnosticsNode(
{String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode -
Returns a debug representation of the object that is used by debugging
tools and by DiagnosticsNode.toStringDeep.
inherited
-
toString(
{DiagnosticLevel minLevel = DiagnosticLevel.info}) → String -
A string representation of this object.
inherited
-
toStringShort(
) → String -
A brief description of this object, usually just the runtimeType and the
hashCode.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited