NeitherPresent<A, B, R> class

Inheritance

• Object
• OptionalTuple<A, B, R, Optional<A>, Optional<B>>
• NeitherPresent

Constructors

NeitherPresent(R mapper(Optional<A> first, Optional<B> second))

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

mapper → R Function(Optional<A> first, Optional<B> second)

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

call(Optional<A> a, Optional<B> b) → Optional<R>

override

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