Opt<T> class

Optional value wrapper for copyWith methods.

Used to distinguish between null values and absent values when updating state.

Constructors

Opt(T? value)
Creates an Opt with the given value.
const

Properties

hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
value → T?
The wrapped value, which may be null.
final

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent 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

absent → const Opt
Represents an absent value (not provided).