Optional

Optional type that is either empty or contains a value of type T

extern (C++) nothrow

struct Optional (

T

) {

static Optional!T create(T val);

bool isPresent();

bool isEmpty();

inout(T) get();

bool hasValue(T exp);

}

Constructors

this this(T value): Creates an Optional with the given value

Members

Functions

get inout(T) get()
hasValue bool hasValue(T exp)
isEmpty bool isEmpty()
isPresent bool isPresent()

Static functions

create Optional!T create(T val): Creates an Optional with the given value

Meta

Source

See Implementation

dmd root optional structs

Optional