[ruby-core:115697] [Ruby master Misc#20056] Dir#chdir inconsistency with Dir.chdir

Issue #20056 has been updated by zverok (Victor Shepelev).

Status changed from Closed to Open

Actually, I found _another_ inconsistency while writing docs. Not sure it is worth fixing, but still somewhat confusing:

```ruby
Dir.chdir('doc') do |*args|
  p args #=> ["doc"]
  "res"
end.tap { p _1 } #=> "res"

Dir.new('doc').chdir do |*args|
  p args #=> []
  "res"
end.tap { p _1 } #=> nil

Dir.fchdir(Dir.new('doc').fileno) do |*args|
  p args #=> []
  "res"
end.tap { p _1 } #=> "res"
```

The difference in args passing into a block might cause only mild confusion, but the fact that the `Dir#chdir` doesn't return the block result seems problematic.

Unless I am missing something again.

----------------------------------------
Misc #20056: Dir#chdir inconsistency with Dir.chdir
https://bugs.ruby-lang.org/issues/20056#change-105629

* Author: zverok (Victor Shepelev)
* Status: Open
* Priority: Normal
* Assignee: jeremyevans0 (Jeremy Evans)
----------------------------------------
I am not sure it is important; I just wanted to understand if this is intentional or accidental.

1. There is no block form for `Dir#chdir`, unlike `Dir.chdir` (the form that will return to the previous directory when the block is finished)
2. `Dir.chdir` returns `0`, while `Dir#chdir` returns `nil` (both seem to be not representing any particular internal value, just a hardcoded return value).






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