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#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>
int main(int, char*[]) {
std::cout << "=== environment state ===" << std::endl;
sol::state lua;
lua.open_libraries();
sol::environment my_env(lua, sol::create);
// set value, and we need to explicitly allow for
// access to "print", since a new environment hides
// everything that's not defined inside of it
// NOTE: hiding also hides library functions (!!)
// BE WARNED
my_env["var"] = 50;
my_env["print"] = lua["print"];
sol::environment my_other_env(
lua, sol::create, lua.globals());
// do not need to explicitly allow access to "print",
// since we used the "Set a fallback" version
// of the sol::environment constructor
my_other_env["var"] = 443;
// output: 50
lua.script("print(var)", my_env);
// output: 443
lua.script("print(var)", my_other_env);
std::cout << std::endl;
return 0;
}
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