sol2/examples/runtime_additions.cpp
ThePhD 002303d52b update tests and single again
add assert.hpp for better code understanding
prepare to rewrite all the damn docs, and update the tutorials...
2017-12-25 23:27:22 -05:00

42 lines
689 B
C++

#define SOL_CHECK_ARGUMENTS 1
#include <sol.hpp>
#include "assert.hpp"
#include <iostream>
struct object {
int value = 0;
};
int main(int, char*[]) {
std::cout << "=== runtime_additions example ===" << std::endl;
sol::state lua;
lua.open_libraries(sol::lib::base);
lua.new_usertype<object>("object");
// runtime additions: through the sol API
lua["object"]["func"] = [](object& o) {
++o.value;
return o.value;
};
// runtime additions: through a lua script
lua.script(R"(
function object:print ()
print(self:func())
end
)");
// see it work
lua.script(R"(
obj = object.new()
obj:print()
)");
object& obj = lua["obj"];
c_assert(obj.value == 1);
return 0;
}