Just to point out this is discussing 3rd party Erlang library: https://github.com/afiniate/seresye https://github.com/afiniate/seresye This not some built-in

Just to point out this is discussing 3rd party Erlang library: https://github.com/afiniate/seresye https://github.com/afiniate/seresye This not some built-in language feature or a bundled library from the distribution. It's still pretty cool, I remember playing around with it a few years back.