> LuaJIT has some nice speed improvements compared to standard Lua, but more importantly it has a pretty amazing FFI library. The C declaration parser in partic

> LuaJIT has some nice speed improvements compared to standard Lua, but more importantly it has a pretty amazing FFI library. The C declaration parser in particular is valuable. My mouth was hanging open when I discovered that you could literally a verbatim header with packed structs and use it and it would work. Then I looked at the source to find out what they were using as a compiler frontend; it's all hand written. Incredible.