OptionType class Null safety

What kinds of values an option accepts.

Properties

hashCode int
The hash code for this object. [...]
read-only, inherited
name String
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() String
A string representation of this object. [...]
inherited

Operators

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

Constants

flag → const OptionType
An option that can only be true or false. [...]
OptionType._('OptionType.flag')
multiple → const OptionType
An option that allows multiple values. [...]
OptionType._('OptionType.multiple')
single → const OptionType
An option that takes a single value. [...]
OptionType._('OptionType.single')