remove sol2 (will re-add as submodule)

19 files changed, 0 insertions, 921 deletions

diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/arguments_to_scripts.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/arguments_to_scripts.cpp
deleted file mode 100644
index c96ded4..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/arguments_to_scripts.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1

-#include <sol/sol.hpp>

-

-#include <iostream>

-#include <assert.hpp>

-

-int main(int, char* []) {

-	std::cout << "=== passing arguments to scripts ===" << std::endl;

-

-	sol::state lua;

-	lua.open_libraries(sol::lib::base);

-

-	const auto& my_script = R"(

-local a,b,c = ...

-print(a,b,c)

-	)";

-

-	sol::load_result fx = lua.load(my_script);

-	if (!fx.valid()) {

-		sol::error err = fx;

-		std::cerr << "failde to load string-based script in the program" << err.what() << std::endl;

-	}

-	

-	// prints "your arguments here"

-	fx("your", "arguments", "here");

-

-	return 0;

-}

diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_all.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_all.cpp
deleted file mode 100644
index 822958f..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_all.cpp
+++ /dev/null
@@ -1,81 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-#include <iostream>
-
-void some_function() {
-	std::cout << "some function!" << std::endl;
-}
-
-void some_other_function() {
-	std::cout << "some other function!" << std::endl;
-}
-
-struct some_class {
-	int variable = 30;
-
-	double member_function() {
-		return 24.5;
-	}
-};
-
-int main(int, char*[]) {
-	std::cout << "=== functions (all) ===" << std::endl;
-	
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	// put an instance of "some_class" into lua
-	// (we'll go into more detail about this later
-	// just know here that it works and is
-	// put into lua as a userdata
-	lua.set("sc", some_class());
-
-	// binds a plain function
-	lua["f1"] = some_function;
-	lua.set_function("f2", &some_other_function);
-
-	// binds just the member function
-	lua["m1"] = &some_class::member_function;
-
-	// binds the class to the type
-	lua.set_function("m2", &some_class::member_function, some_class{});
-
-	// binds just the member variable as a function
-	lua["v1"] = &some_class::variable;
-
-	// binds class with member variable as function
-	lua.set_function("v2", &some_class::variable, some_class{});
-
-	lua.script(R"(
-	f1() -- some function!
-	f2() -- some other function!
-	
-	-- need class instance if you don't bind it with the function
-	print(m1(sc)) -- 24.5
-	-- does not need class instance: was bound to lua with one 
-	print(m2()) -- 24.5
-	
-	-- need class instance if you 
-	-- don't bind it with the function
-	print(v1(sc)) -- 30
-	-- does not need class instance: 
-	-- it was bound with one 
-	print(v2()) -- 30
-
-	-- can set, still 
-	-- requires instance
-	v1(sc, 212)
-	-- can set, does not need 
-	-- class instance: was bound with one 
-	v2(254)
-
-	print(v1(sc)) -- 212
-	print(v2()) -- 254
-	)");
-
-	std::cout << std::endl;
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_easy.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_easy.cpp
deleted file mode 100644
index 748cc8e..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/functions_easy.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua.script("function f (a, b, c, d) return 1 end");
-	lua.script("function g (a, b) return a + b end");
-
-	// sol::function is often easier: 
-	// takes a variable number/types of arguments...
-	sol::function fx = lua["f"];
-	// fixed signature std::function<...>
-	// can be used to tie a sol::function down
-	std::function<int(int, double, int, std::string)> stdfx = fx;
-
-	int is_one = stdfx(1, 34.5, 3, "bark");
-	c_assert(is_one == 1);
-	int is_also_one = fx(1, "boop", 3, "bark");
-	c_assert(is_also_one == 1);
-
-	// call through operator[]
-	int is_three = lua["g"](1, 2);
-	c_assert(is_three == 3);
-	double is_4_8 = lua["g"](2.4, 2.4);
-	c_assert(is_4_8 == 4.8);
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/make_tables.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/make_tables.cpp
deleted file mode 100644
index 2c8b946..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/make_tables.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char* []) {
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua["abc_sol2"] = lua.create_table_with(
-		0, 24
-	);
-
-	sol::table inner_table = lua.create_table_with("bark", 50,
-		// can reference other existing stuff too
-		"woof", lua["abc_sol2"]
-	);
-	lua.create_named_table("def_sol2",
-		"ghi", inner_table
-	);
-
-	std::string code = R"(
-		abc = { [0] = 24 }
-		def = {
-			ghi = {
-				bark = 50,
-				woof = abc
-			}
-		}
-	)";
-
-	lua.script(code);
-	lua.script(R"(
-		assert(abc_sol2[0] == abc[0])
-		assert(def_sol2.ghi.bark == def.ghi.bark)
-	)");
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_from_lua.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_from_lua.cpp
deleted file mode 100644
index 2d0d016..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_from_lua.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char* []) {
-	sol::state lua;
-
-	lua.script("function f (a, b, c) return a, b, c end");
-
-	std::tuple<int, int, int> result;
-	result = lua["f"](100, 200, 300);
-	// result == { 100, 200, 300 }
-	int a;
-	int b;
-	std::string c;
-	sol::tie(a, b, c) = lua["f"](100, 200, "bark");
-	c_assert(a == 100);
-	c_assert(b == 200);
-	c_assert(c == "bark");
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_to_lua.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_to_lua.cpp
deleted file mode 100644
index 0a0745f..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/multiple_returns_to_lua.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char* []) {
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua["f"] = [](int a, int b, sol::object c) {
-		// sol::object can be anything here: just pass it through
-		return std::make_tuple(a, b, c);
-	};
-
-	std::tuple<int, int, int> result = lua["f"](100, 200, 300);
-	const std::tuple<int, int, int> expected(100, 200, 300);
-	c_assert(result == expected);
-
-	std::tuple<int, int, std::string> result2;
-	result2 = lua["f"](100, 200, "BARK BARK BARK!");
-	const std::tuple<int, int, std::string> expected2(100, 200, "BARK BARK BARK!");
-	c_assert(result2 == expected2);
-
-	int a, b;
-	std::string c;
-	sol::tie(a, b, c) = lua["f"](100, 200, "bark");
-	c_assert(a == 100);
-	c_assert(b == 200);
-	c_assert(c == "bark");
-
-	lua.script(R"(
-		a, b, c = f(150, 250, "woofbark")
-		assert(a == 150)
-		assert(b == 250)
-		assert(c == "woofbark")
-	)");
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/namespacing.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/namespacing.cpp
deleted file mode 100644
index 5a6f553..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/namespacing.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-#include <assert.hpp>
-
-int main() {
-	std::cout << "=== namespacing ===" << std::endl;
-
-	struct my_class {
-		int b = 24;
-
-		int f() const {
-			return 24;
-		}
-
-		void g() {
-			++b;
-		}
-	};
-
-	sol::state lua;
-	lua.open_libraries();
-
-	// "bark" namespacing in Lua
-	// namespacing is just putting things in a table
-	// forces creation if it does not exist
-	auto bark = lua["bark"].get_or_create<sol::table>();
-	// equivalent-ish:
-	//sol::table bark = lua["bark"].force(); // forces table creation
-	// equivalent, and more flexible:
-	//sol::table bark = lua["bark"].get_or_create<sol::table>(sol::new_table());
-	// equivalent, but less efficient/ugly:
-	//sol::table bark = lua["bark"] = lua.get_or("bark", lua.create_table());
-	bark.new_usertype<my_class>("my_class",
-		"f", &my_class::f,
-		"g", &my_class::g); // the usual
-
-	// can add functions, as well (just like the global table)
-	bark.set_function("print_my_class", [](my_class& self) { std::cout << "my_class { b: " << self.b << " }" << std::endl; });
-
-	// this works
-	lua.script("obj = bark.my_class.new()");
-	lua.script("obj:g()");
-
-	// calling this function also works
-	lua.script("bark.print_my_class(obj)");
-	my_class& obj = lua["obj"];
-	c_assert(obj.b == 25);
-
-	std::cout << std::endl;
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_a_state.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_a_state.cpp
deleted file mode 100644
index 390d432..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_a_state.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	std::cout << "=== opening a state ===" << std::endl;
-
-	sol::state lua;
-	// open some common libraries
-	lua.open_libraries(sol::lib::base, sol::lib::package);
-	lua.script("print('bark bark bark!')");
-
-	std::cout << std::endl;
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_state_on_raw_lua.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_state_on_raw_lua.cpp
deleted file mode 100644
index 42d74da..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/opening_state_on_raw_lua.cpp
+++ /dev/null
@@ -1,29 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-
-int use_sol2(lua_State* L) {
-	sol::state_view lua(L);
-	lua.script("print('bark bark bark!')");
-	return 0;
-}
-
-int main(int, char*[]) {
-	std::cout << "=== opening sol::state_view on raw Lua ===" << std::endl;
-
-	lua_State* L = luaL_newstate();
-	luaL_openlibs(L);
-
-	lua_pushcclosure(L, &use_sol2, 0);
-	lua_setglobal(L, "use_sol2");
-
-	if (luaL_dostring(L, "use_sol2()")) {
-		lua_error(L);
-		return -1;
-	}
-
-	std::cout << std::endl;
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code.cpp
deleted file mode 100644
index 2ee39cb..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code.cpp
+++ /dev/null
@@ -1,48 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <fstream>
-#include <iostream>
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	std::cout << "=== running lua code ===" << std::endl;
-
-	{
-		std::ofstream out("a_lua_script.lua");
-		out << "print('hi from a lua script file')";
-	}
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-	
-	// load and execute from string
-	lua.script("a = 'test'");
-	// load and execute from file
-	lua.script_file("a_lua_script.lua");
-
-	// run a script, get the result
-	int value = lua.script("return 54");
-	c_assert(value == 54);
-
-	auto bad_code_result = lua.script("123 herp.derp", [](lua_State*, sol::protected_function_result pfr) {
-		// pfr will contain things that went wrong, for either loading or executing the script
-		// Can throw your own custom error
-		// You can also just return it, and let the call-site handle the error if necessary.
-		return pfr;
-	});
-	// it did not work
-	c_assert(!bad_code_result.valid());
-	
-	// the default handler panics or throws, depending on your settings
-	// uncomment for explosions:
-	//auto bad_code_result_2 = lua.script("bad.code", &sol::script_default_on_error);
-
-	std::cout << std::endl;
-
-	{
-		std::remove("a_lua_script.lua");
-	}
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_low_level.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_low_level.cpp
deleted file mode 100644
index 350c779..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_low_level.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <fstream>
-#include <iostream>
-#include <cstdio>
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	std::cout << "=== running lua code (low level) ===" << std::endl;
-	
-	{
-		std::ofstream out("a_lua_script.lua");
-		out << "print('hi from a lua script file')";
-	}
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	// load file without execute
-	sol::load_result script1 = lua.load_file("a_lua_script.lua");
-	//execute
-	script1();
-
-	// load string without execute
-	sol::load_result script2 = lua.load("a = 'test'");
-	//execute
-	sol::protected_function_result script2result = script2();
-	// optionally, check if it worked
-	if (script2result.valid()) {
-		// yay!
-	}
-	else {
-		// aww
-	}
-
-	sol::load_result script3 = lua.load("return 24");
-	// execute, get return value
-	int value2 = script3();
-	c_assert(value2 == 24);
-
-	std::cout << std::endl;
-
-	{
-		std::remove("a_lua_script.lua");
-	}
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_safely.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_safely.cpp
deleted file mode 100644
index 3248fd2..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/running_lua_code_safely.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <fstream>
-#include <iostream>
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	std::cout << "=== running lua code (safely) ===" << std::endl;
-
-	{
-		std::ofstream out("a_lua_script.lua");
-		out << "print('hi from a lua script file')";
-	}
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-	
-	// load and execute from string
-	auto result = lua.safe_script("a = 'test'", sol::script_pass_on_error);
-	if (!result.valid()) {
-		sol::error err = result;
-		std::cerr << "The code has failed to run!\n" << err.what() << "\nPanicking and exiting..." << std::endl;
-		return 1;
-	}
-	
-	// load and execute from file
-	auto script_from_file_result = lua.safe_script_file("a_lua_script.lua", sol::script_pass_on_error);
-	if (!script_from_file_result.valid()) {
-		sol::error err = script_from_file_result;
-		std::cerr << "The code from the file has failed to run!\n" << err.what() << "\nPanicking and exiting..." << std::endl;
-		return 1;
-	}
-
-	// run a script, get the result
-	sol::optional<int> maybe_value = lua.safe_script("return 54", sol::script_pass_on_error);
-	c_assert(maybe_value.has_value());
-	c_assert(*maybe_value == 54);
-
-	auto bad_code_result = lua.safe_script("123 herp.derp", sol::script_pass_on_error);
-	c_assert(!bad_code_result.valid());
-
-	// you can also specify a handler function, and it'll
-	// properly work here
-	auto bad_code_result2 = lua.script("123 herp.derp", [](lua_State*, sol::protected_function_result pfr) {
-		// pfr will contain things that went wrong, for either loading or executing the script
-		// Can throw your own custom error
-		// You can also just return it, and let the call-site handle the error if necessary.
-		return pfr;
-	});
-	// it did not work
-	c_assert(!bad_code_result2.valid());
-
-	// the default handler panics or throws, depending on your settings
-	// uncomment for explosions:
-	//auto bad_code_result_2 = lua.script("bad.code", &sol::script_default_on_error);
-
-	std::cout << std::endl;
-
-	{
-		std::remove("a_lua_script.lua");
-	}
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/self_call.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/self_call.cpp
deleted file mode 100644
index b839e0b..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/self_call.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-
-int main() {
-	std::cout << "=== self_call ===" << std::endl;
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base, sol::lib::package, sol::lib::table);
-
-	// a small script using 'self' syntax
-	lua.script(R"(
-	some_table = { some_val = 100 }
-
-	function some_table:add_to_some_val(value)
-	    self.some_val = self.some_val + value
-	end
-
-	function print_some_val()
-	    print("some_table.some_val = " .. some_table.some_val)
-	end
-	)");
-
-	// do some printing
-	lua["print_some_val"]();
-	// 100
-
-	sol::table self = lua["some_table"];
-	self["add_to_some_val"](self, 10);
-	lua["print_some_val"]();
-
-	std::cout << std::endl;
-
-	return 0;
-}
\ No newline at end of file
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables.cpp
deleted file mode 100644
index b207ff2..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	// integer types
-	lua.set("number", 24);
-	// floating point numbers
-	lua["number2"] = 24.5;
-	// string types
-	lua["important_string"] = "woof woof";
-	// is callable, therefore gets stored as a function that can be called
-	lua["a_function"] = []() { return 100; };
-	// make a table
-	lua["some_table"] = lua.create_table_with("value", 24);
-
-
-	// equivalent to this code
-	std::string equivalent_code = R"(
-		t = {
-			number = 24,
-			number2 = 24.5,
-			important_string = "woof woof",
-			a_function = function () return 100 end,
-			some_table = { value = 24 }
-		}
-	)";
-
-	// check in Lua
-	lua.script(equivalent_code);
-
-	lua.script(R"(
-		assert(t.number == number)
-		assert(t.number2 == number2)
-		assert(t.important_string == important_string)
-		assert(t.a_function() == a_function())
-		assert(t.some_table.value == some_table.value)
-	)");
-
-
-	// implicit conversion
-	int number = lua["number"];
-	c_assert(number == 24);
-	// explicit get
-	auto number2 = lua.get<double>("number2");
-	c_assert(number2 == 24.5);
-	// strings too
-	std::string important_string = lua["important_string"];
-	c_assert(important_string == "woof woof");
-	// dig into a table
-	int value = lua["some_table"]["value"];
-	c_assert(value == 24);
-	// get a function
-	sol::function a_function = lua["a_function"];
-	int value_is_100 = a_function();
-	// convertible to std::function
-	std::function<int()> a_std_function = a_function;
-	int value_is_still_100 = a_std_function();
-	c_assert(value_is_100 == 100);
-	c_assert(value_is_still_100 == 100);
-
-	sol::object number_obj = lua.get<sol::object>("number");
-	// sol::type::number
-	sol::type t1 = number_obj.get_type();
-	c_assert(t1 == sol::type::number);
-
-	sol::object function_obj = lua["a_function"];
-	// sol::type::function
-	sol::type t2 = function_obj.get_type();
-	c_assert(t2 == sol::type::function);
-	bool is_it_really = function_obj.is<std::function<int()>>();
-	c_assert(is_it_really);
-
-	// will not contain data
-	sol::optional<int> check_for_me = lua["a_function"];
-	c_assert(check_for_me == sol::nullopt);
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables_exists.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables_exists.cpp
deleted file mode 100644
index 3b75166..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/set_and_get_variables_exists.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char*[]) {
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua.script("exists = 250");
-
-	int first_try = lua.get_or("exists", 322);
-	c_assert(first_try == 250);
-
-	lua.set("exists", sol::lua_nil);
-	int second_try = lua.get_or("exists", 322);
-	c_assert(second_try == 322);
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/tables_and_nesting.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/tables_and_nesting.cpp
deleted file mode 100644
index 47b66ff..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/tables_and_nesting.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-
-int main(int, char*[]) {
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	lua.script(R"(
-		abc = { [0] = 24 }
-		def = { 
-			ghi = { 
-				bark = 50, 
-				woof = abc 
-			} 
-		}
-	)");
-
-	sol::table abc = lua["abc"];
-	sol::table def = lua["def"];
-	sol::table ghi = lua["def"]["ghi"];
-
-	int bark1 = def["ghi"]["bark"];
-	int bark2 = lua["def"]["ghi"]["bark"];
-	c_assert(bark1 == 50);
-	c_assert(bark2 == 50);
-
-	int abcval1 = abc[0];
-	int abcval2 = ghi["woof"][0];
-	c_assert(abcval1 == 24);
-	c_assert(abcval2 == 24);
-
-	sol::optional<int> will_not_error = lua["abc"]["DOESNOTEXIST"]["ghi"];
-	c_assert(will_not_error == sol::nullopt);
-	
-	int also_will_not_error = lua["abc"]["def"]["ghi"]["jklm"].get_or(25);
-	c_assert(also_will_not_error == 25);
-
-	// if you don't go safe,
-	// will throw (or do at_panic if no exceptions)
-	//int aaaahhh = lua["boom"]["the_dynamite"];
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata.cpp
deleted file mode 100644
index 8db4981..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <assert.hpp>
-#include <iostream>
-
-struct Doge {
-	int tailwag = 50;
-
-	Doge() {
-	}
-
-	Doge(int wags)
-	: tailwag(wags) {
-	}
-
-	~Doge() {
-		std::cout << "Dog at " << this << " is being destroyed..." << std::endl;
-	}
-};
-
-int main(int, char* []) {
-	std::cout << "=== userdata ===" << std::endl;
-
-	sol::state lua;
-
-	Doge dog{ 30 };
-
-	// fresh one put into Lua
-	lua["dog"] = Doge{};
-	// Copy into lua: destroyed by Lua VM during garbage collection
-	lua["dog_copy"] = dog;
-	// OR: move semantics - will call move constructor if present instead
-	// Again, owned by Lua
-	lua["dog_move"] = std::move(dog);
-	lua["dog_unique_ptr"] = std::make_unique<Doge>(25);
-	lua["dog_shared_ptr"] = std::make_shared<Doge>(31);
-
-	// Identical to above
-	Doge dog2{ 30 };
-	lua.set("dog2", Doge{});
-	lua.set("dog2_copy", dog2);
-	lua.set("dog2_move", std::move(dog2));
-	lua.set("dog2_unique_ptr", std::unique_ptr<Doge>(new Doge(25)));
-	lua.set("dog2_shared_ptr", std::shared_ptr<Doge>(new Doge(31)));
-
-	// Note all of them can be retrieved the same way:
-	Doge& lua_dog = lua["dog"];
-	Doge& lua_dog_copy = lua["dog_copy"];
-	Doge& lua_dog_move = lua["dog_move"];
-	Doge& lua_dog_unique_ptr = lua["dog_unique_ptr"];
-	Doge& lua_dog_shared_ptr = lua["dog_shared_ptr"];
-	c_assert(lua_dog.tailwag == 50);
-	c_assert(lua_dog_copy.tailwag == 30);
-	c_assert(lua_dog_move.tailwag == 30);
-	c_assert(lua_dog_unique_ptr.tailwag == 25);
-	c_assert(lua_dog_shared_ptr.tailwag == 31);
-
-	// lua will treat these types as opaque, and you will be able to pass them around
-	// to C++ functions and Lua functions alike
-
-	// Use a C++ reference to handle memory directly
-	// otherwise take by value, without '&'
-	lua["f"] = [](Doge& dog) {
-		std::cout << "dog wags its tail " << dog.tailwag << " times!" << std::endl;
-	};
-
-	// if you bind a function using a pointer,
-	// you can handle when `nil` is passed
-	lua["handling_f"] = [](Doge* dog) {
-		if (dog == nullptr) {
-			std::cout << "dog was nil!" << std::endl;
-			return;
-		}
-		std::cout << "dog wags its tail " << dog->tailwag << " times!" << std::endl;
-	};
-
-	lua.script(R"(
-		f(dog)
-		f(dog_copy)
-		f(dog_move)
-		f(dog_unique_ptr)
-		f(dog_shared_ptr)
-
-		-- C++ arguments that are pointers can handle nil
-		handling_f(dog)
-		handling_f(dog_copy)
-		handling_f(dog_move)
-		handling_f(dog_unique_ptr)
-		handling_f(dog_shared_ptr)
-		handling_f(nil)
-
-		-- never do this
-		-- f(nil)
-	)");
-
-	std::cout << std::endl;
-
-	return 0;
-}
diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata_memory_reference.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata_memory_reference.cpp
deleted file mode 100644
index 648cec0..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/userdata_memory_reference.cpp
+++ /dev/null
@@ -1,65 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1

-#include <sol/sol.hpp>

-

-#include <assert.hpp>

-#include <iostream>

-

-struct Doge {

-	int tailwag = 50;

-

-	Doge() {

-	}

-

-	Doge(int wags)

-		: tailwag(wags) {

-	}

-

-	~Doge() {

-		std::cout << "Dog at " << this << " is being destroyed..." << std::endl;

-	}

-};

-

-int main(int, char* []) {

-	std::cout << "=== userdata memory reference ===" << std::endl;

-

-	sol::state lua;

-	lua.open_libraries(sol::lib::base);

-

-	Doge dog{}; // Kept alive somehow

-

-	// Later...

-	// The following stores a reference, and does not copy/move

-	// lifetime is same as dog in C++

-	// (access after it is destroyed is bad)

-	lua["dog"] = &dog;

-	// Same as above: respects std::reference_wrapper

-	lua["dog"] = std::ref(dog);

-	// These two are identical to above

-	lua.set( "dog", &dog );

-	lua.set( "dog", std::ref( dog ) );

-

-

-	Doge& dog_ref = lua["dog"]; // References Lua memory

-	Doge* dog_pointer = lua["dog"]; // References Lua memory

-	Doge dog_copy = lua["dog"]; // Copies, will not affect lua

-

-	lua.new_usertype<Doge>("Doge",

-		"tailwag", &Doge::tailwag

-	);

-

-	dog_copy.tailwag = 525;

-	// Still 50

-	lua.script("assert(dog.tailwag == 50)");

-

-	dog_ref.tailwag = 100;

-	// Now 100

-	lua.script("assert(dog.tailwag == 100)");

-

-	dog_pointer->tailwag = 345;

-	// Now 345

-	lua.script("assert(dog.tailwag == 345)");

-

-	std::cout << std::endl;

-

-	return 0;

-}

diff --git a/lib/sol2/examples/source/tutorials/quick_n_dirty/usertypes.cpp b/lib/sol2/examples/source/tutorials/quick_n_dirty/usertypes.cpp
deleted file mode 100644
index 7a820e1..0000000
--- a/lib/sol2/examples/source/tutorials/quick_n_dirty/usertypes.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-
-struct Doge {
-	int tailwag = 50;
-
-	Doge() {
-	}
-
-	Doge(int wags)
-	: tailwag(wags) {
-	}
-
-	~Doge() {
-		std::cout << "Dog at " << this << " is being destroyed..." << std::endl;
-	}
-};
-
-int main(int, char* []) {
-	std::cout << "=== usertypes ===" << std::endl;
-
-	sol::state lua;
-	lua.open_libraries(sol::lib::base);
-
-	Doge dog{ 30 };
-
-	lua["dog"] = Doge{};
-	lua["dog_copy"] = dog;
-	lua["dog_move"] = std::move(dog);
-	lua["dog_unique_ptr"] = std::make_unique<Doge>(21);
-	lua["dog_shared_ptr"] = std::make_shared<Doge>(51);
-
-	// now we can access these types in Lua
-	lua.new_usertype<Doge>( "Doge",
-		sol::constructors<Doge(), Doge(int)>(),
-		"tailwag", &Doge::tailwag
-	);
-	lua.script(R"(
-		function f (dog)
-			if dog == nil then
-				print('dog was nil!')
-				return
-			end
-			print('dog wags its tail ' .. dog.tailwag .. ' times!')
-		end
-	)");
-
-	lua.script(R"(
-		dog_lua = Doge.new()
-
-		f(dog_lua)
-		f(dog)
-		f(dog_copy)
-		f(dog_move)
-		f(dog)
-		f(dog_unique_ptr)
-		f(dog_shared_ptr)
-		f(nil)
-	)");
-
-	std::cout << std::endl;
-
-	return 0;
-}