[ruby-core:96799] [Ruby master Bug#16504] `foo(*args, &args.pop)` should pass all elements of args

[email protected] Sun, 12 Jan 2020 00:52:21 +0000 (UTC)
Newsgroups gmane.comp.lang.ruby.core
Message-ID <redmine.journal-83791.20200112005220.c2dede3db800e101@ruby-lang.org>
Issue #16504 has been updated by mame (Yusuke Endoh).


https://github.com/ruby/ruby/pull/2833

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Bug #16504: `foo(*args, &args.pop)` should pass all elements of args
https://bugs.ruby-lang.org/issues/16504#change-83791

* Author: mame (Yusuke Endoh)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.7.0p0 (2019-12-25 revision 647ee6f091) [x86_64-linux]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
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https://bugs.ruby-lang.org/issues/16500?next_issue_id=16499&prev_issue_id=16501#note-7

```
# in 2.7
args = [1, 2, -> {}]; foo(   *args, &args.pop) #=> passes [1, 2] (bug; [1, 2, ->{}] is expected)
args = [1, 2, -> {}]; foo(0, *args, &args.pop) #=> passes [0, 1, 2, ->{}] (good)
```



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