/usr/include/boost/hana/fwd
Edit: /usr/include/boost/hana/fwd/all.hpp (1185B)
/*!
@file
Forward declares `boost::hana::all`.
@copyright Louis Dionne 2013-2017
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_HANA_FWD_ALL_HPP
#define BOOST_HANA_FWD_ALL_HPP
#include
#include
BOOST_HANA_NAMESPACE_BEGIN
//! Returns whether all the keys of the structure are true-valued.
//! @ingroup group-Searchable
//!
//! The keys of the structure must be `Logical`s. If the structure is not
//! finite, a false-valued key must appear at a finite "index" in order
//! for this method to finish.
//!
//!
//! Example
//! -------
//! @include example/all.cpp
#ifdef BOOST_HANA_DOXYGEN_INVOKED
constexpr auto all = [](auto&& xs) {
return tag-dispatched;
};
#else
template
struct all_impl : all_impl> { };
struct all_t {
template
constexpr auto operator()(Xs&& xs) const;
};
constexpr all_t all{};
#endif
BOOST_HANA_NAMESPACE_END
#endif // !BOOST_HANA_FWD_ALL_HPP