Sentinel class Null safety
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
Properties
- hashCode → int
-
The hash code for this object.
read-onlyinherited
-
json
↔ Map<
String, dynamic> ? -
read / writeinherited
- kind ↔ String?
-
What kind of sentinel is this?
read / write
- runtimeType → Type
-
A representation of the runtime type of the object.
read-onlyinherited
- type → String
-
read-onlyoverride
- valueAsString ↔ String?
-
A reasonable string representation of this sentinel.
read / write
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a non-existent 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