OptionalSingle<A> class final

Constructors

OptionalSingle(Query1<A> _query)

Properties

entityOrNull → Entity?

no setter

hashCode → int

The hash code for this object.

no setter, inherited

isPresent → bool

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

valueOrNull → A?

no setter

Methods

beginRun() → void

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