sol2/examples/source/tutorials/writing_functions.cpp
2022-11-09 18:33:16 -05:00

29 lines
792 B
C++

#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
std::string my_function(int D_count, std::string original) {
// Create a string with the letter 'D' "D_count" times,
// append it to 'original'
return original + std::string(D_count, 'D');
}
int main() {
sol::state lua;
lua["my_func"] = my_function; // way 1
lua.set("my_func", my_function); // way 2
lua.set_function("my_func", my_function); // way 3
// This function is now accessible as 'my_func' in
// lua scripts / code run on this state:
lua.script("some_str = my_func(1, 'Da')");
// Read out the global variable we stored in 'some_str' in
// the quick lua code we just executed
std::string some_str = lua["some_str"];
SOL_ASSERT(some_str == "DaD");
return 0;
}