function y(arg) print("y:", arg) geg = geg + 100 end function g(arg) print("g:", arg) geg = geg + 10 return y end function f(arg) print("f:", arg) geg = geg + 1 return g end -- two seperate f() calls with no arguments. geg = 0 f();(f)() print("value:", geg) print("--") -- calls f(), g(f), y() geg = 0 f() (f)() print("value:", geg) print("--") -- two seperate f() calls with no arguments. geg = 0 f() f () print("value:", geg)