diff --git a/sol/stack_push.hpp~RF9798847.TMP b/sol/stack_push.hpp~RF9798847.TMP
deleted file mode 100644
index 250f0a5f..00000000
--- a/sol/stack_push.hpp~RF9798847.TMP
+++ /dev/null
@@ -1,333 +0,0 @@
-// The MIT License (MIT) 
-
-// Copyright (c) 2013-2016 Rapptz, ThePhD and contributors
-
-// Permission is hereby granted, free of charge, to any person obtaining a copy of
-// this software and associated documentation files (the "Software"), to deal in
-// the Software without restriction, including without limitation the rights to
-// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-// the Software, and to permit persons to whom the Software is furnished to do so,
-// subject to the following conditions:
-
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#ifndef SOL_STACK_PUSH_HPP
-#define SOL_STACK_PUSH_HPP
-
-#include "stack_core.hpp"
-#include "raii.hpp"
-#include "optional.hpp"
-#include <memory>
-
-namespace sol {
-namespace stack {
-template<typename T, typename>
-struct pusher {
-    template <typename... Args>
-    static int push(lua_State* L, Args&&... args) {
-        // Basically, we store all user-data like this:
-        // If it's a movable/copyable value (no std::ref(x)), then we store the pointer to the new
-        // data in the first sizeof(T*) bytes, and then however many bytes it takes to
-        // do the actual object. Things that are std::ref or plain T* are stored as 
-        // just the sizeof(T*), and nothing else.
-        T** pointerpointer = static_cast<T**>(lua_newuserdata(L, sizeof(T*) + sizeof(T)));
-        T*& referencereference = *pointerpointer;
-        T* allocationtarget = reinterpret_cast<T*>(pointerpointer + 1);
-        referencereference = allocationtarget;
-        std::allocator<T> alloc{};
-        alloc.construct(allocationtarget, std::forward<Args>(args)...);
-        luaL_newmetatable(L, &usertype_traits<T>::metatable[0]);
-        lua_setmetatable(L, -2);
-        return 1;
-    }
-};
-
-template <>
-struct pusher<detail::as_reference_tag> {
-    template <typename T>
-    static int push(lua_State* L, T&& obj) {
-        return stack::push(L, detail::ptr(obj));
-    }
-};
-
-template<typename T>
-struct pusher<T*> {
-    static int push(lua_State* L, T* obj) {
-        if (obj == nullptr)
-            return stack::push(L, nil);
-        T** pref = static_cast<T**>(lua_newuserdata(L, sizeof(T*)));
-        *pref = obj;
-        luaL_getmetatable(L, &usertype_traits<T*>::metatable[0]);
-        lua_setmetatable(L, -2);
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<is_unique_usertype<T>::value>> {
-    typedef typename unique_usertype_traits<T>::type P;
-    typedef typename unique_usertype_traits<T>::actual_type Real;
-
-    template <typename Arg, meta::EnableIf<std::is_base_of<Real, meta::Unqualified<Arg>>> = 0>
-    static int push(lua_State* L, Arg&& arg) {
-        if (unique_usertype_traits<T>::is_null(arg))
-            return stack::push(L, nil);
-        return push_deep(L, std::forward<Arg>(arg));
-    }
-
-    template <typename Arg0, typename Arg1, typename... Args>
-    static int push(lua_State* L, Arg0&& arg0, Arg0&& arg1, Args&&... args) {
-        return push_deep(L, std::forward<Arg0>(arg0), std::forward<Arg1>(arg1), std::forward<Args>(args)...);
-    }
-
-    template <typename... Args>
-    static int push_deep(lua_State* L, Args&&... args) {
-        P** pref = static_cast<P**>(lua_newuserdata(L, sizeof(P*) + sizeof(detail::special_destruct_func) + sizeof(Real)));
-        detail::special_destruct_func* fx = static_cast<detail::special_destruct_func*>(static_cast<void*>(pref + 1));
-        Real* mem = static_cast<Real*>(static_cast<void*>(fx + 1));
-        *fx = detail::special_destruct<P, Real>;
-        detail::default_construct::construct(mem, std::forward<Args>(args)...);
-        *pref = unique_usertype_traits<T>::get(*mem);
-        if (luaL_newmetatable(L, &usertype_traits<detail::unique_usertype<P>>::metatable[0]) == 1) {
-            set_field(L, "__gc", detail::unique_destruct<P>);
-        }
-        lua_setmetatable(L, -2);
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<std::reference_wrapper<T>> {
-    static int push(lua_State* L, const std::reference_wrapper<T>& t) {
-        return stack::push(L, std::addressof(detail::deref(t.get())));
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<std::is_floating_point<T>::value>> {
-    static int push(lua_State* L, const T& value) {
-        lua_pushnumber(L, value);
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<meta::And<std::is_integral<T>, std::is_signed<T>>::value>> {
-    static int push(lua_State* L, const T& value) {
-        lua_pushinteger(L, static_cast<lua_Integer>(value));
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<meta::And<std::is_integral<T>, std::is_unsigned<T>>::value>> {
-    static int push(lua_State* L, const T& value) {
-         typedef std::make_signed_t<T> signed_int;
-         return stack::push(L, static_cast<signed_int>(value));
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<meta::And<meta::has_begin_end<T>, meta::Not<meta::has_key_value_pair<T>>, meta::Not<std::is_base_of<reference, T>>>::value>> {
-    static int push(lua_State* L, const T& cont) {
-        lua_createtable(L, static_cast<int>(cont.size()), 0);
-        int tableindex = lua_gettop(L);
-        unsigned index = 1;
-        for(auto&& i : cont) {
-            set_field(L, index++, i, tableindex);
-        }
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<meta::And<meta::has_begin_end<T>, meta::has_key_value_pair<T>, meta::Not<std::is_base_of<reference, T>>>::value>> {
-    static int push(lua_State* L, const T& cont) {
-        lua_createtable(L, static_cast<int>(cont.size()), 0);
-        int tableindex = lua_gettop(L);
-        for(auto&& pair : cont) {
-            set_field(L, pair.first, pair.second, tableindex);
-        }
-        return 1;
-    }
-};
-
-template<typename T>
-struct pusher<T, std::enable_if_t<std::is_base_of<reference, T>::value || std::is_base_of<stack_reference, T>::value>> {
-    static int push(lua_State*, T& ref) {
-        return ref.push();
-    }
-
-    static int push(lua_State*, T&& ref) {
-        return ref.push();
-    }
-};
-
-template<>
-struct pusher<bool> {
-    static int push(lua_State* L, bool b) {
-        lua_pushboolean(L, b);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<nil_t> {
-    static int push(lua_State* L, nil_t) {
-        lua_pushnil(L);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<metatable_key_t> {
-    static int push(lua_State* L, metatable_key_t) {
-        lua_pushlstring(L, "__mt", 4);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<std::remove_pointer_t<lua_CFunction>> {
-    static int push(lua_State* L, lua_CFunction func, int n = 0) {
-        lua_pushcclosure(L, func, n);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<lua_CFunction> {
-    static int push(lua_State* L, lua_CFunction func, int n = 0) {
-        lua_pushcclosure(L, func, n);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<c_closure> {
-    static int push(lua_State* L, c_closure closure) {
-        lua_pushcclosure(L, closure.c_function, closure.upvalues);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<void*> {
-    static int push(lua_State* L, void* userdata) {
-        lua_pushlightuserdata(L, userdata);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<light_userdata_value> {
-    static int push(lua_State* L, light_userdata_value userdata) {
-        lua_pushlightuserdata(L, userdata);
-        return 1;
-    }
-};
-
-template<>
-struct pusher<userdata_value> {
-    static int push(lua_State* L, userdata_value data) {
-        void** ud = static_cast<void**>(lua_newuserdata(L, sizeof(void*)));
-        *ud = data.value;
-        return 1;
-    }
-};
-
-template<>
-struct pusher<const char*> {
-    static int push(lua_State* L, const char* str) {
-        lua_pushlstring(L, str, std::char_traits<char>::length(str));
-        return 1;
-    }
-};
-
-template<size_t N>
-struct pusher<char[N]> {
-    static int push(lua_State* L, const char (&str)[N]) {
-        lua_pushlstring(L, str, N - 1);
-        return 1;
-    }
-};
-
-template <>
-struct pusher<char> {
-    static int push(lua_State* L, char c) {
-        const char str[2] = { c, '\0'};
-        return stack::push(L, str);
-    }
-};
-
-template<>
-struct pusher<std::string> {
-    static int push(lua_State* L, const std::string& str) {
-        lua_pushlstring(L, str.c_str(), str.size());
-        return 1;
-    }
-};
-
-template<typename... Args>
-struct pusher<std::tuple<Args...>> {
-    template <std::size_t... I, typename T>
-    static int push(std::index_sequence<I...>, lua_State* L, T&& t) {
-        int pushcount = 0;
-        (void)detail::swallow{ 0, (pushcount += stack::push(L, 
-              detail::forward_get<I>(t)
-        ), 0)... };
-        return pushcount;
-    }
-
-    template <typename T>
-    static int push(lua_State* L, T&& t) {
-        return push(std::index_sequence_for<Args...>(), L, std::forward<T>(t));
-    }
-};
-
-template<typename A, typename B>
-struct pusher<std::pair<A, B>> {
-    template <typename T>
-    static int push(lua_State* L, T&& t) {
-        int pushcount = stack::push(L, detail::forward_get<0>(t));
-        pushcount += stack::push(L, detail::forward_get<1>(t));
-        return pushcount;
-    }
-};
-
-template<typename O>
-struct pusher<optional<O>> {
-    template <typename T>
-    static int push(lua_State* L, T&& t) {
-        if (t == nullopt) {
-            return stack::push(L, nullopt);
-        }
-        return stack::push(L, t.value());
-    }
-};
-
-template<>
-struct pusher<nullopt_t> {
-    static int push(lua_State* L, nullopt_t) {
-        return stack::push(L, nil);
-    }
-};
-
-template<>
-struct pusher<this_state> {
-    static int push(lua_State*, const this_state&) {
-        return 0;
-    }
-};
-} // stack
-} // sol
-
-#endif // SOL_STACK_PUSH_HPP