util.serialization: Let freeze metamethod return a literal string
Enables custom serialization, such as creating a datatype that
serializes into a variable reference.
For full information on our dependencies, version requirements, and
where to find them, see https://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec