Port the Variant junk

1 files changed, 51 insertions, 0 deletions

diff --git a/src/sexpr/bind.hpp b/src/sexpr/bind.hpp
new file mode 100644
index 0000000..7250f9d
--- /dev/null
+++ b/src/sexpr/bind.hpp
@@ -0,0 +1,51 @@
+#ifndef TMWA_SEXPR_BIND_HPP
+#define TMWA_SEXPR_BIND_HPP
+//    bind.hpp - Like std::bind, but with arbitrary arguments.
+//
+//    Copyright © 2012 Ben Longbons <b.r.longbons@gmail.com>
+//
+//    This file is part of The Mana World (Athena server)
+//
+//    This program is free software: you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation, either version 3 of the License, or
+//    (at your option) any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# include <utility>
+
+# include "fwd.hpp"
+
+
+namespace tmwa
+{
+namespace sexpr
+{
+    template<class F, class T>
+    struct VariadicBind
+    {
+        // note: may be lvalue references
+        F&& f;
+        T&& t;
+        template<class... A>
+        auto operator()(A&&... a) -> decltype(std::forward<F>(f)(std::forward<T>(t), std::forward<A>(a)...))
+        {
+            return std::forward<F>(f)(std::forward<T>(t), std::forward<A>(a)...);
+        }
+    };
+    template<class F, class T>
+    VariadicBind<F, T> bind_variadic(F&& func, T&& arg1)
+    {
+        return VariadicBind<F, T>{std::forward<F>(func), std::forward<T>(arg1)};
+    }
+} // namespace sexpr
+} // namespace tmwa
+
+#endif //TMWA_SEXPR_VARIANT_HPP