remove sol2 (will re-add as submodule)

1 files changed, 0 insertions, 87 deletions

diff --git a/lib/sol2/examples/source/pairs_with_raw_functions.cpp b/lib/sol2/examples/source/pairs_with_raw_functions.cpp
deleted file mode 100644
index cfb5af5..0000000
--- a/lib/sol2/examples/source/pairs_with_raw_functions.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <map>
-#include <iostream>
-
-struct my_thing {
-	std::map<std::string, int> m{
-		{ "bark", 20 },
-		{ "woof", 60 },
-		{ "borf", 30 },
-		{ "awoo", 5 },
-	};
-
-	my_thing() {
-
-	}
-};
-
-struct lua_iterator_state {
-	typedef std::map<std::string, int>::iterator it_t;
-	it_t it;
-	it_t last;
-
-	lua_iterator_state(my_thing& mt) : it(mt.m.begin()), last(mt.m.end()) {}
-};
-
-int my_next(lua_State* L) {
-	// this gets called 
-	// to start the first iteration, and every
-	// iteration there after
-	// the state you passed in pairs is argument 1
-	// the key value is argument 2
-	// we do not care about the key value here
-	lua_iterator_state& it_state = sol::stack::get<sol::user<lua_iterator_state>>(L, 1);
-	auto& it = it_state.it;
-	if (it == it_state.last) {
-		return sol::stack::push(L, sol::lua_nil);
-	}
-	auto itderef = *it;
-	// 2 values are returned (pushed onto the stack):
-	// the key and the value
-	// the state is left alone
-	int pushed = sol::stack::push(L, itderef.first);
-	pushed += sol::stack::push_reference(L, itderef.second);
-	std::advance(it, 1);
-	return pushed;
-}
-
-int my_pairs(lua_State* L) {
-	my_thing& mt = sol::stack::get<my_thing>(L, 1);
-	lua_iterator_state it_state(mt);
-	// pairs expects 3 returns:
-	// the "next" function on how to advance,
-	// the "table" itself or some state,
-	// and an initial key value (can be nil)
-	
-	// next function controls iteration
-	int pushed = sol::stack::push(L, my_next);
-	pushed += sol::stack::push<sol::user<lua_iterator_state>>(L, std::move(it_state));
-	pushed += sol::stack::push(L, sol::lua_nil);
-	return pushed;
-}
-
-int main(int, char*[]) {
-	std::cout << "===== pairs (using raw Lua C functions) (advanced) =====" << std::endl;
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua.new_usertype<my_thing>("my_thing",
-		sol::meta_function::pairs, &my_pairs
-	);
-
-#if SOL_LUA_VERSION > 501
-	lua.safe_script(R"(
-local mt = my_thing.new()
-for k, v in pairs(mt) do 
-	print(k, v) 
-end
-)");
-#endif // Does not work on Lua 5.1 and below
-
-	std::cout << std::endl;
-
-	return 0;
-}