Union<L, R> class abstract

A monad that represents a union type.

Mixed-in types

• Equality

Constructors

Union()

Creates a Union.

Union.left(L left)

Creates a Union with the given value of type L.

factory

Union.right(R right)

Creates a Union with the given value of type R.

factory

Properties

fields → List

The fields used to determine equality.

no setter, override

hashCode → int

The hash code for this object.

no setter, inherited

left → bool

Returns true if this Union contains a value which type is L.

no setter

right → bool

Returns true if this Union contains a value which type is R.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → dynamic

The value of this Union.

no setter

Methods

map<T>(T left(L), T right(R)) → T

Maps the value of this Union using left if the value is of type L, or right if the value is of type R.

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