Re: New EEP draft: Pinning operator ^ in patterns
Mikael Karlsson <[email protected]>
| Newsgroups | gmane.comp.lang.erlang.general,gmane.comp.lang.erlang.eeps |
|---|---|
| Message-ID | <CAHsLMoTENAcO5c2m3woVwQcpheujh7_bhzNyN8JncyuGoo4Q2w@mail.gmail.com> |
You are not pulling legs with a Christmas joke now Richard? It looks too ambitious to be that, but I cannot get rid of the feeling. elixirian: :this_parrot = :alive erlanger: :this_parrot = :now_destructed elixirian: :this_parrot = :no_no_only_de_con_structed ho ho ho, Mikael Den tors 24 dec. 2020 kl 21:10 skrev Richard Carlsson < [email protected]>: > The ^ operator allows you to annotate already-bound pattern variables as > ^X, like in Elixir. This is less error prone when code is being refactored > and moved around so that variables previously new in a pattern may become > bound, or vice versa, and makes it easier for the reader to see the intent > of the code. > > See also https://github.com/erlang/otp/pull/2951 > > Ho ho ho, > > /Richard & the good folks at WhatsApp >