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#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>
struct something {
int arr[4];
something() : arr { 5, 6, 7, 8 } {
}
};
int main() {
std::cout << "=== c arrays (works with Visual C++ too) ==="
<< std::endl;
sol::state lua;
lua.open_libraries(sol::lib::base);
lua.new_usertype<something>(
"something", "arr", sol::property([](something& s) {
return std::ref(s.arr);
}));
lua.script(R"(s = something.new()
print(s.arr[3])
s.arr[3] = 40
print(s.arr[3])
)");
something& s = lua["s"];
SOL_ASSERT(s.arr[0] == 5);
SOL_ASSERT(s.arr[1] == 6);
SOL_ASSERT(s.arr[2] == 40);
SOL_ASSERT(s.arr[3] == 8);
std::string string_array[] = {
"first string",
"second string",
"third string",
};
lua["str_arr"] = std::ref(string_array);
// or:
// lua["str_array"] = &string_array;
lua.script(R"(
print(str_arr[3])
str_arr[3] = str_arr[3] .. ': modified'
print(str_arr[3])
)");
SOL_ASSERT(string_array[2] == "third string: modified");
return 0;
}
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