is_defined() [1/2]

template<typename enum_t >

static bool xtd::enum_object< std::nullptr_t >::is_defined ( enum_t  value )

inlinestaticnoexcept

Returns an indication whether a constant with a specified value exists in a specified enumeration.

Parameters

fromValue

An enumeration value.

Returns

true if a constant in enumType has a value equal to value; otherwise, false.

Exceptions

xtd::argument_exception

The value is ! a value of enumType.