sol2/examples/variables.cpp

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2014-01-19 11:59:59 +08:00
#include <sol.hpp>
#include <cassert>
int main() {
sol::state lua;
// need the base library for assertions
lua.open_libraries(sol::lib::base);
// basic setting of a variable
// through multiple ways
lua["x"] = 10;
lua.set("y", "hello");
// assert values are as given
lua.script("assert(x == 10)");
lua.script("assert(y == 'hello')");
// basic retrieval of a variable
// through multiple ways
int x = lua["x"];
auto y = lua.get<std::string>("y");
int x2;
std::string y2;
std::tie(x2, y2) = lua.get<int, std::string>("x", "y");
// assert the values
assert(x == 10);
assert(y == "hello");
assert(x2 == 10);
assert(y2 == "hello");
}