GenericNullable<T>

property HasValue: Boolean read;

Boolean HasValue { get; }

var HasValue: Boolean { get{} }

ReadOnly Property HasValue() As Boolean

property Value: T read;

T Value { get; }

var Value: T { get{} }

ReadOnly Property Value() As T

constructor(aValue: T)

GenericNullable<T>(T aValue)

init(_ aValue: T)

Sub New(aValue As T)

method GetValueOrDefault: T

T GetValueOrDefault()

func GetValueOrDefault() -> T

Function GetValueOrDefault() As T

method GetValueOrDefault(aDefault: T): T

T GetValueOrDefault(T aDefault)

func GetValueOrDefault(_ aDefault: T) -> T

Function GetValueOrDefault(aDefault As T) As T