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     28 
     29 /// \file examples/hello.cpp
     30 /// Minimal example using Lua code to print a traditional hello-world message.
     31 
     32 #include <cstdlib>
     33 
     34 #include <lutok/state.ipp>
     35 
     36 
     37 /// Program's entry point.
     38 ///
     39 /// \return A system exit code.
     40 int
     41 main(void)
     42 {
     43     // Initializes a new Lua state.  Every Lua state is independent from each
     44     // other.
     45     lutok::state state;
     46 
     47     // Loads the standard library into the Lua state.  Among many other
     48     // functions, this gives us access to print(), which is used below.
     49     state.open_base();
     50 
     51     // Pushes the print() function into the Lua stack, then its only argument,
     52     // and then proceeds to execute it within the Lua state.
     53     state.get_global("print");
     54     state.push_string("Hello, world!");
     55     state.pcall(1, 0, 0);
     56 
     57     return EXIT_SUCCESS;
     58 }
     59