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Merge branch 'make_none_t_literal_type' of https://github.com/citrusmoose/optional into citrusmoose-make_none_t_literal_type

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Andrzej Krzemienski
2020-10-24 17:05:51 +02:00
parent 88e7d55bbc b709447922
commit 2b08711ec6
1 changed files with 3 additions and 1 deletions
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4
include/boost/none_t.hpp
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@ -13,6 +13,8 @@
#ifndef BOOST_NONE_T_17SEP2003_HPP #ifndef BOOST_NONE_T_17SEP2003_HPP
#define BOOST_NONE_T_17SEP2003_HPP #define BOOST_NONE_T_17SEP2003_HPP
#include <boost/config.hpp>
namespace boost { namespace boost {
#ifdef BOOST_OPTIONAL_USE_OLD_DEFINITION_OF_NONE #ifdef BOOST_OPTIONAL_USE_OLD_DEFINITION_OF_NONE
@ -29,7 +31,7 @@ class none_t {};
struct none_t struct none_t
{ {
struct init_tag{}; struct init_tag{};
explicit none_t(init_tag){} // to disable default constructor explicit BOOST_CONSTEXPR none_t(init_tag){} // to disable default constructor
}; };
#endif // old implementation workarounds #endif // old implementation workarounds