FM / detail

/usr/include/boost/beast/core/detail

Name	Size	Mode	Actions
impl/	-	0755	rm
allocator.hpp	945	0644	edit dl rm
async_base.hpp	901	0644	edit dl rm
base64.hpp	1942	0644	edit dl rm
base64.ipp	6170	0644	edit dl rm
bind_continuation.hpp	3504	0644	edit dl rm
bind_default_executor.hpp	3243	0644	edit dl rm
bind_handler.hpp	10959	0644	edit dl rm
buffer.hpp	1825	0644	edit dl rm
buffers_pair.hpp	2636	0644	edit dl rm
buffers_range_adaptor.hpp	2651	0644	edit dl rm
buffers_ref.hpp	1648	0644	edit dl rm
buffer_traits.hpp	2095	0644	edit dl rm
chacha.hpp	4167	0644	edit dl rm
char_buffer.hpp	1407	0644	edit dl rm
clamp.hpp	1229	0644	edit dl rm
config.hpp	2884	0644	edit dl rm
cpu_info.hpp	1787	0644	edit dl rm
flat_stream.hpp	1919	0644	edit dl rm
get_io_context.hpp	2338	0644	edit dl rm
is_invocable.hpp	1888	0644	edit dl rm
ostream.hpp	7004	0644	edit dl rm
pcg.hpp	1464	0644	edit dl rm
read.hpp	9217	0644	edit dl rm
remap_post_to_defer.hpp	2152	0644	edit dl rm
service_base.hpp	850	0644	edit dl rm
sha1.hpp	1624	0644	edit dl rm
sha1.ipp	7998	0644	edit dl rm
static_const.hpp	1154	0644	edit dl rm
static_ostream.hpp	3030	0644	edit dl rm
static_string.hpp	3030	0644	edit dl rm
stream_base.hpp	2685	0644	edit dl rm
stream_traits.hpp	2796	0644	edit dl rm
string.hpp	898	0644	edit dl rm
temporary_buffer.hpp	1611	0644	edit dl rm
tuple.hpp	2194	0644	edit dl rm
type_traits.hpp	2779	0644	edit dl rm
variant.hpp	4889	0644	edit dl rm
varint.hpp	1712	0644	edit dl rm
win32_unicode_path.hpp	2148	0644	edit dl rm
work_guard.hpp	1851	0644	edit dl rm

Edit: /usr/include/boost/beast/core/detail/is_invocable.hpp (1888B)

//
// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// Official repository: https://github.com/boostorg/beast
//

#ifndef BOOST_BEAST_DETAIL_IS_INVOCABLE_HPP
#define BOOST_BEAST_DETAIL_IS_INVOCABLE_HPP

#include <boost/asio/async_result.hpp>
#include <boost/type_traits/make_void.hpp>
#include <type_traits>
#include <utility>

namespace boost {
namespace beast {
namespace detail {

template<class R, class C, class ...A>
auto
is_invocable_test(C&& c, int, A&& ...a)
    -> decltype(std::is_convertible<
        decltype(c(std::forward<A>(a)...)), R>::value ||
            std::is_same<R, void>::value,
                std::true_type());

template<class R, class C, class ...A>
std::false_type
is_invocable_test(C&& c, long, A&& ...a);

/** Metafunction returns `true` if F callable as R(A...)

Example:

@code
    is_invocable<T, void(std::string)>::value
    @endcode
*/
/** @{ */
template<class C, class F>
struct is_invocable : std::false_type
{
};

template<class C, class R, class ...A>
struct is_invocable<C, R(A...)>
    : decltype(is_invocable_test<R>(
        std::declval<C>(), 1, std::declval<A>()...))
{
};
/** @} */

template<class CompletionToken, class Signature, class = void>
struct is_completion_token_for : std::false_type
{
};

struct any_initiation
{
    template<class...AnyArgs>
    void operator()(AnyArgs&&...);
};

template<class CompletionToken, class R, class...Args>
struct is_completion_token_for<
    CompletionToken, R(Args...), boost::void_t<decltype(
        boost::asio::async_initiate<CompletionToken, R(Args...)>(
            any_initiation(), std::declval<CompletionToken&>())
        )>> : std::true_type
{
};

} // detail
} // beast
} // boost

#endif

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