Sentinel class
A Sentinel is used to indicate that the normal response is not available.
We use a Sentinel instead of an error for these cases because they do
not represent a problematic condition. They are normal.
Constructors
- Sentinel.new({String? kind, String? valueAsString})
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
-
json
↔ Map<
String, dynamic> ? -
getter/setter pairinherited
- kind ↔ String?
-
What kind of sentinel is this?
getter/setter pair
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- type → String
-
no setteroverride
- valueAsString ↔ String?
-
A reasonable string representation of this sentinel.
getter/setter pair
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → Map< String, dynamic> -
override
-
toString(
) → String -
A string representation of this object.
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited