Troolean enum utilities

Basic Klene / Priest three-valued logic

Inheritance

Constructors

Troolean()
const

Values

False → const Troolean
True → const Troolean
Unknown → const Troolean

Properties

hashCode int
The hash code for this object.
no setterinherited
index int
A numeric identifier for the enumerated value.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited

Methods

and(Troolean other) Troolean
isFalse() bool
isKnown() bool
isTrue() bool
isUnknown() bool
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
not() Troolean
or(Troolean other) Troolean
toString() String
A string representation of this object.
inherited
xor(Troolean other) Troolean

Operators

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

Constants

values → const List<Troolean>
A constant List of the values in this enum, in order of their declaration.