iw7-mod/deps/sol2/examples/source/tutorials/writing_template_functions.cpp

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2024-08-13 05:15:34 -04:00
#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
template <typename A, typename B>
auto my_add(A a, B b) {
return a + b;
}
int main() {
sol::state lua;
// adds 2 integers
auto int_function_pointer = &my_add<int, int>;
lua["my_int_add"] = int_function_pointer;
// concatenates 2 strings
auto string_function_pointer
= &my_add<std::string, std::string>;
lua["my_string_combine"] = string_function_pointer;
lua.script("my_num = my_int_add(1, 2)");
int my_num = lua["my_num"];
SOL_ASSERT(my_num == 3);
lua.script(
"my_str = my_string_combine('bark bark', ' woof "
"woof')");
std::string my_str = lua["my_str"];
SOL_ASSERT(my_str == "bark bark woof woof");
return 0;
}