NullableRef.isNull

Returns true if and only if this is in the null state.

struct NullableRef(T)

@property const @safe pure nothrow

bool

isNull

()

Return Value

Type: bool

true if this is in the null state, otherwise false.

NullableRef!int nr;
assert(nr.isNull);

int* n = new int(42);
nr.bind(n);
assert(!nr.isNull && nr == 42);