mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-10 15:16:34 +00:00
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
/*
|
|
|
|
@Copyright Barrett Adair 2015-2017
|
|
Distributed under the Boost Software License, Version 1.0.
|
|
(See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
|
|
|
|
*/
|
|
|
|
#ifndef BOOST_CLBL_TRTS_ADD_VARARGS_HPP
|
|
#define BOOST_CLBL_TRTS_ADD_VARARGS_HPP
|
|
|
|
#include <boost/callable_traits/detail/core.hpp>
|
|
|
|
namespace boost { namespace callable_traits {
|
|
|
|
//[ add_varargs_hpp
|
|
/*`
|
|
[section:ref_add_varargs add_varargs]
|
|
[heading Header]
|
|
``#include <boost/callable_traits/add_varargs.hpp>``
|
|
[heading Definition]
|
|
*/
|
|
|
|
template<typename T>
|
|
using add_varargs_t = //see below
|
|
//<-
|
|
detail::try_but_fail_if_invalid<
|
|
typename detail::traits<T>::add_varargs,
|
|
varargs_are_illegal_for_this_type>;
|
|
|
|
namespace detail {
|
|
|
|
template<typename T, typename = std::false_type>
|
|
struct add_varargs_impl {};
|
|
|
|
template<typename T>
|
|
struct add_varargs_impl <T, typename std::is_same<
|
|
add_varargs_t<T>, detail::dummy>::type>
|
|
{
|
|
using type = add_varargs_t<T>;
|
|
};
|
|
}
|
|
//->
|
|
|
|
template<typename T>
|
|
struct add_varargs : detail::add_varargs_impl<T> {};
|
|
|
|
//<-
|
|
}} // namespace boost::callable_traits
|
|
//->
|
|
|
|
/*`
|
|
[heading Constraints]
|
|
* `T` must be one of the following:
|
|
* function type
|
|
* function pointer type
|
|
* function reference type
|
|
* member function pointer type
|
|
* If `T` is a pointer, it may not be cv/ref qualified
|
|
|
|
[heading Behavior]
|
|
* A substitution failure occurs if the constraints are violated.
|
|
* Adds C-style variadics (`...`) to the signature of `T`, if not already present.
|
|
|
|
[heading Input/Output Examples]
|
|
[table
|
|
[[`T`] [`add_varargs_t<T>`]]
|
|
[[`int()`] [`int(...)`]]
|
|
[[`int(int)`] [`int(int, ...)`]]
|
|
[[`int (&)()`] [`int(&)(...)`]]
|
|
[[`int (*)()`] [`int(*)(...)`]]
|
|
[[`int (*)(...)`] [`int(*)(...)`]]
|
|
[[`int(foo::*)()`] [`int(foo::*)(...)`]]
|
|
[[`int(foo::*)() &`] [`int(foo::*)(...) &`]]
|
|
[[`int(foo::*)() &&`] [`int(foo::*)(...) &&`]]
|
|
[[`int(foo::*)() const`] [`int(foo::*)(...) const`]]
|
|
[[`int(foo::*)() transaction_safe`] [`int(foo::*)(...) transaction_safe`]]
|
|
[[`int`] [(substitution failure)]]
|
|
[[`int foo::*`] [(substitution failure)]]
|
|
[[`int (*&)()`] [(substitution failure)]]
|
|
]
|
|
|
|
[heading Example Program]
|
|
[import ../example/add_varargs.cpp]
|
|
[add_varargs]
|
|
[endsect]
|
|
*/
|
|
//]
|
|
|
|
#endif
|