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- /*
- Copyright 2019 Glen Joseph Fernandes
- ([email protected])
- Distributed under the Boost Software License, Version 1.0.
- (http://www.boost.org/LICENSE_1_0.txt)
- */
- #ifndef BOOST_CORE_FIRST_SCALAR_HPP
- #define BOOST_CORE_FIRST_SCALAR_HPP
- #include <boost/config.hpp>
- #include <cstddef>
- namespace boost {
- namespace detail {
- template<class T>
- struct make_scalar {
- typedef T type;
- };
- template<class T, std::size_t N>
- struct make_scalar<T[N]> {
- typedef typename make_scalar<T>::type type;
- };
- } /* detail */
- template<class T>
- BOOST_CONSTEXPR inline T*
- first_scalar(T* p) BOOST_NOEXCEPT
- {
- return p;
- }
- template<class T, std::size_t N>
- BOOST_CONSTEXPR inline typename detail::make_scalar<T>::type*
- first_scalar(T (*p)[N]) BOOST_NOEXCEPT
- {
- return boost::first_scalar(&(*p)[0]);
- }
- } /* boost */
- #endif
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