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-rw-r--r--boost/process/detail/traits/env.hpp53
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+// Copyright (c) 2016 Klemens D. Morgenstern
+//
+// 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)
+
+#ifndef BOOST_PROCESS_DETAIL_TRAITS_ENV_HPP_
+#define BOOST_PROCESS_DETAIL_TRAITS_ENV_HPP_
+
+
+#include <boost/process/detail/traits/decl.hpp>
+
+
+namespace boost { namespace process {
+
+template<typename Char>
+class basic_environment;
+
+template<typename Char>
+class basic_native_environment;
+
+namespace detail {
+
+template<typename Char>
+struct env_tag {};
+
+
+
+
+template<typename Char> struct env_set;
+template<typename Char> struct env_append;
+
+template<typename Char> struct env_reset;
+template<typename Char> struct env_init;
+
+
+template<typename Char> struct initializer_tag<env_set<Char>> { typedef env_tag<Char> type; };
+template<typename Char> struct initializer_tag<env_append<Char>> { typedef env_tag<Char> type; };
+
+template<typename Char> struct initializer_tag<env_reset<Char>> { typedef env_tag<Char> type;};
+template<typename Char> struct initializer_tag<env_init <Char>> { typedef env_tag<Char> type;};
+
+template<typename Char> struct initializer_tag<::boost::process::basic_environment<Char>> { typedef env_tag<Char> type; };
+template<typename Char> struct initializer_tag<::boost::process::basic_native_environment<Char>> { typedef env_tag<Char> type; };
+
+template<> struct initializer_builder<env_tag<char>>;
+template<> struct initializer_builder<env_tag<wchar_t>>;
+
+}
+
+
+}}
+
+#endif /* INCLUDE_BOOST_PROCESS_DETAIL_ENV_HPP_ */