mirror of
https://github.com/boostorg/callable_traits.git
synced 2026-02-12 12:02:24 +00:00
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*<-
|
|
Copyright Barrett Adair 2016
|
|
Distributed under the Boost Software License, Version 1.0.
|
|
(See accompanying file LICENSE.md or copy at http ://boost.org/LICENSE_1_0.txt)
|
|
->*/
|
|
|
|
//[ add_function_cv
|
|
#include <type_traits>
|
|
#include <callable_traits/add_function_cv.hpp>
|
|
|
|
namespace ct = callable_traits;
|
|
|
|
struct foo {};
|
|
|
|
int main() {
|
|
|
|
{
|
|
using pmf = void(foo::*)();
|
|
using expect = void(foo::*)() const volatile;
|
|
using test = ct::add_function_cv<pmf>;
|
|
static_assert(std::is_same<test, expect>::value, "");
|
|
} {
|
|
// add_function_cv doesn't change anything when
|
|
// the function type is already cv-qualified.
|
|
using pmf = void(foo::*)() const volatile &&;
|
|
using expect = void(foo::*)() const volatile &&;
|
|
using test = ct::add_function_cv<pmf>;
|
|
static_assert(std::is_same<test, expect>::value, "");
|
|
} {
|
|
using pmf = void(foo::*)() volatile &;
|
|
using expect = void(foo::*)() const volatile &;
|
|
using test = ct::add_function_cv<pmf>;
|
|
static_assert(std::is_same<test, expect>::value, "");
|
|
} {
|
|
// add_function_cv can also be used with "abominable"
|
|
// function types.
|
|
using f = void();
|
|
using expect = void() const volatile;
|
|
using test = ct::add_function_cv<f>;
|
|
static_assert(std::is_same<test, expect>::value, "");
|
|
} {
|
|
// add_function_cv has no affect on function pointers,
|
|
// function references, function objects, or member data pointers.
|
|
using f = void(&)();
|
|
using expect = void(&)();
|
|
using test = ct::add_function_cv<f>;
|
|
static_assert(std::is_same<test, expect>::value, "");
|
|
}
|
|
}
|
|
//]
|