[#53944] [ruby-trunk - Bug #8210][Open] Multibyte character interfering with end-line character within a regex — "sawa (Tsuyoshi Sawada)" <sawadatsuyoshi@...>

14 messages 2013/04/03

[#53974] [ruby-trunk - Feature #8215][Open] Support accessing Fiber-locals and backtraces for a Fiber — "halorgium (Tim Carey-Smith)" <ruby-lang-bugs@...>

14 messages 2013/04/03

[#54095] [ruby-trunk - Feature #8237][Open] Logical method chaining via inferred receiver — "wardrop (Tom Wardrop)" <tom@...>

34 messages 2013/04/08

[#54138] [ruby-trunk - Bug #8241][Open] If uri host-part has underscore ( '_' ), 'URI#parse' raise 'URI::InvalidURIError' — "neocoin (Sangmin Ryu)" <neocoin@...>

9 messages 2013/04/09

[#54185] [CommonRuby - Feature #8257][Open] Exception#cause to carry originating exception along with new one — "headius (Charles Nutter)" <headius@...>

43 messages 2013/04/11

[#54196] Encouraging use of CommonRuby — Charles Oliver Nutter <headius@...>

I think we need to do more to encourage the use of the CommonRuby

20 messages 2013/04/11
[#54200] Re: Encouraging use of CommonRuby — Marc-Andre Lafortune <ruby-core-mailing-list@...> 2013/04/11

Hi,

[#54211] Re: Encouraging use of CommonRuby — "NARUSE, Yui" <naruse@...> 2013/04/12

As far as I understand, what is CommonRuby and the process over CommonRuby

[#54207] [CommonRuby - Feature #8258][Open] Dir#escape_glob — "steveklabnik (Steve Klabnik)" <steve@...>

15 messages 2013/04/12

[#54218] [CommonRuby - Feature #8259][Open] Atomic attributes accessors — "funny_falcon (Yura Sokolov)" <funny.falcon@...>

43 messages 2013/04/12

[#54288] [CommonRuby - Feature #8271][Open] Proposal for moving to a more visible, formal process for feature requests — "headius (Charles Nutter)" <headius@...>

15 messages 2013/04/15

[#54333] Requesting Commit Access — Aman Gupta <[email protected]>

Hello ruby-core,

16 messages 2013/04/16

[#54473] [Backport 200 - Backport #8299][Open] Minor error in float parsing — "bobjalex (Bob Alexander)" <bobjalex@...>

27 messages 2013/04/19

[#54532] [ruby-trunk - Bug #8315][Open] mkmf does not include include paths from pkg_config anymore — "Hanmac (Hans Mackowiak)" <hanmac@...>

11 messages 2013/04/23

[#54621] [ruby-trunk - Feature #8339][Open] Introducing Geneartional Garbage Collection for CRuby/MRI — "ko1 (Koichi Sasada)" <redmine@...>

43 messages 2013/04/27
[#54643] [ruby-trunk - Feature #8339] Introducing Geneartional Garbage Collection for CRuby/MRI — "authorNari (Narihiro Nakamura)" <authorNari@...> 2013/04/28

[#54649] Re: [ruby-trunk - Feature #8339] Introducing Geneartional Garbage Collection for CRuby/MRI — SASADA Koichi <ko1@...> 2013/04/28

(2013/04/28 9:23), authorNari (Narihiro Nakamura) wrote:

[#54657] Re: [ruby-trunk - Feature #8339][Open] Introducing Geneartional Garbage Collection for CRuby/MRI — Magnus Holm <judofyr@...> 2013/04/28

On Sat, Apr 27, 2013 at 8:19 PM, ko1 (Koichi Sasada)

[#54665] [ruby-trunk - Bug #8344][Open] Status of Psych and Syck — "Eregon (Benoit Daloze)" <redmine@...>

18 messages 2013/04/28

[ruby-core:54535] [ruby-trunk - Bug #8316][Open] Can't pass hash to first positional argument; hash interpreted as keyword arguments

From: "TylerRick (Tyler Rick)" <redmine.ruby-lang.org@...>
Date: 2013-04-23 22:41:11 UTC
List: ruby-core #54535
Issue #8316 has been reported by TylerRick (Tyler Rick).

----------------------------------------
Bug #8316: Can't pass hash to first positional argument; hash interpreted as keyword arguments
https://bugs.ruby-lang.org/issues/8316

Author: TylerRick (Tyler Rick)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.0.0p0 (2013-02-24 revision 39474) [x86_64-linux]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


I'm able to pass any other type of object to my first argument:

 def foo(hash, opt: true)
   puts "hash: #{hash}, opt: #{opt.inspect}"
 end
 
 foo 'a'                 # => hash: a, opt: true
 foo [{a:1}]             # => hash: [{:a=>1}], opt: true
 foo [{a:1}], opt: false # => hash: [{:a=>1}], opt: false

But when I try to pass a hash, it raises an ArgumentError:

 foo({a:1})  # Raises ArgumentError: unknown keyword: a
 # Expected behavior: hash: {:a=>1}, opt: true

I tried to work around the "unknown keyword" error by using ** but ended up getting a "wrong number of arguments (0 for 1)" error instead.

 def foo_with_extra(hash, **extra)
   puts "hash: #{hash}, extra: #{extra.inspect}"
 end
 
 foo_with_extra 'a'                 # hash: a, extra: {}
 foo_with_extra [{a:1}]             # hash: [{:a=>1}], extra: {}
 foo_with_extra [{a:1}], opt: false # hash: [{:a=>1}], extra: {:opt=>false}
 
 foo_with_extra({a:1})  # Raises ArgumentError: wrong number of arguments (0 for 1)
 # Expected behavior: hash: {:a=>1}, extra: {}

This behavior is surprising and I haven't seen it mentioned anywhere before. Is it really intentional?


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