#define SOL_CHECK_ARGUMENTS 1 #include #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 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; }