Optional.Optional

The optional itself

template Optional(T, onEmptyGet = OptionalException, exceptionArgs...)

struct Optional {

void set(T value);

bool isPresent();

bool isEmpty();

static Optional!(T) empty();

}

Constructors

this this(T value): Constructs an optional with the value already set

Members

Functions

get T get(): Returns the value of this optional if it is set. If not set then an exception is thrown.
isEmpty bool isEmpty(): Checks if there is no value present
isPresent bool isPresent(): Checks if a value is present or not
set void set(T value): Sets the optional's value

Static functions

empty Optional!(T) empty(): Creates an empty optional

Meta

Source

See Implementation

niknaks functional Optional structs

Optional