$ vim --version | grep lua
+dialog_con_gui  +lua/dyn         +rightleft       +writebackup

:!lua
Lua 5.3.3  Copyright (C) 1994-2016 Lua.org, PUC-Rio
> print("hello")
hello
>

:echo has("lua")
0

:lua print("hello")
E370: Could not load library liblua.5.2.dylib
Lua library cannot be loaded.