PresentValue<T extends Object> class

Inheritance

• Object
• Value<T>
• PresentValue

Constructors

PresentValue(T? value)

const

Properties

hashCode → int

The hash code for this object.

no setter, override

isPresent → bool

no setter, inherited

requireValue → T?

Returns the value if present (no matter if null or non-null), otherwise throws a StateError.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

value → T?

final

valueOrNull → T?

return the value if present and non-null, otherwise null. this is useful for cases where you don't care between the value being absent or null.

no setter, inherited

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.

override