HNA class
HNA is the singleton value used to indicate not available.
@see Project Haystack
Properties
- hashCode → int
-
Hash code
no setteroverride
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
compareTo(
Object that) → int -
Returns sort order as negative, 0, or positive.
inherited
-
equals(
Object that) → bool - Equals is based on reference
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toJson(
) → String -
Encodes as "z:"
override
-
toString(
) → String -
Encodes as "na"
override
-
toZinc(
) → String -
Encodes as "NA"
override
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited