[#103241] [Ruby master Bug#17777] 2.6.7 fails to build on macOS: implicit declaration of function 'rb_native_mutex_destroy' is invalid in C99 — eregontp@...
Issue #17777 has been reported by Eregon (Benoit Daloze).
17 messages
2021/04/05
[#103305] [Ruby master Feature#17785] Allow named parameters to be keywords — marcandre-ruby-core@...
Issue #17785 has been reported by marcandre (Marc-Andre Lafortune).
21 messages
2021/04/08
[#103342] [Ruby master Feature#17790] Have a way to clear a String without resetting its capacity — jean.boussier@...
Issue #17790 has been reported by byroot (Jean Boussier).
14 messages
2021/04/09
[#103388] [ANN] Multi-factor Authentication of bugs.ruby-lang.org — SHIBATA Hiroshi <hsbt@...>
Hello,
5 messages
2021/04/12
[#103414] Re: [ANN] Multi-factor Authentication of bugs.ruby-lang.org
— Martin J. Dürst <duerst@...>
2021/04/13
Is there a way to use this multi-factor authentication for (like me)
[#103547] List of CI sites to check — Martin J. Dürst <duerst@...>
Hello everybody,
4 messages
2021/04/22
[#103596] [Ruby master Feature#17830] Add Integer#previous and Integer#prev — rafasoaresms@...
Issue #17830 has been reported by rafasoares (Rafael Soares).
9 messages
2021/04/26
[ruby-core:103354] Re: [Ruby master Feature#17785] Allow named parameters to be keywords
From:
Austin Ziegler <halostatue@...>
Date:
2021-04-09 20:57:55 UTC
List:
ruby-core #103354
I窶冤l also say I like byroot窶冱 idea, especially as bare `\VALUE` currently throws a SyntaxError. On Fri, Apr 9, 2021 at 1:59 PM <[email protected]> wrote: > > Issue #17785 has been updated by Eregon (Benoit Daloze). > > > I like @byroot's idea to solve the more general issue and not just this specific instance. > > marcandre (Marc-Andre Lafortune) wrote in #note-3: > > Clearly, `class_` is much simpler and much faster than `binding.local_variable_get(:class)`... > > It can be the same performance with a JIT and escape analysis (i.e., it's the same on TruffleRuby). > > ---------------------------------------- > Feature #17785: Allow named parameters to be keywords > https://bugs.ruby-lang.org/issues/17785#change-91441 > > * Author: marcandre (Marc-Andre Lafortune) > * Status: Open > * Priority: Normal > * Assignee: matz (Yukihiro Matsumoto) > ---------------------------------------- > We should allow named parameters to be keywords and use add a trailing `_` to the corresponding variable: > > ```ruby > def check(arg, class:) > arg.is_a?(class_) > end > > check(42, class: Integer) # => true > ``` > > Currently, if we want such an API we have to use `**rest`: > > ```ruby > def check(arg, **rest) > class_ = rest.fetch(:class) { raise ArgumentError('missing keyword: :class')} > if rest.size > 1 > unknown = rest.keys - [:class] > raise ArgumentError("unknown keyword(s): :#{unknown.join(', :')}) > end > > arg.is_a?(class_) > end > ``` > > This is very verbose, much less convenient, much less readable, prevents `steep` from generating the proper signature, etc. > > We should do the same for pattern match. > > > > -- > https://bugs.ruby-lang.org/ > > Unsubscribe: <mailto:[email protected]?subject=unsubscribe> > <http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core> -- Austin Ziegler 窶「 [email protected] 窶「 [email protected] http://www.halostatue.ca/ 窶「 http://twitter.com/halostatue Unsubscribe: <mailto:[email protected]?subject=unsubscribe> <http://lists.ruby-lang.org/cgi-bin/mailman/options/ruby-core>