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Feature #7609

closed

Class#singleton_class?

Feature #7609: Class#singleton_class?

Added by nobu (Nobuyoshi Nakada) almost 13 years ago. Updated about 12 years ago.

Status:
Closed
Assignee:
nobu (Nobuyoshi Nakada)
Target version:
2.6
[ruby-core:51087]

Description

Related to #7554, there is no way to tell the called method is a singleton method or an ordinary method.

Files

singleton_class_p.patch (1.34 KB) singleton_class_p.patch nobu (Nobuyoshi Nakada), 12/23/2012 05:48 PM

Updated by marcandre (Marc-Andre Lafortune) almost 13 years ago Actions
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 #1 [ruby-core:51102]

Moving to Feature requests.

Just curious about use case?

Also, can be hacked in Ruby already...

class Class
  def singleton_class?
    Class.new(self) && true rescue false
  end
end

Updated by marcandre (Marc-Andre Lafortune) almost 13 years ago Actions
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 #2

  • Tracker changed from Bug to Feature

Updated by matz (Yukihiro Matsumoto) almost 13 years ago Actions
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 #3 [ruby-core:51107]

  • Assignee set to nobu (Nobuyoshi Nakada)
  • Target version set to 2.6

OK.

Updated by nobu (Nobuyoshi Nakada) about 12 years ago Actions
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 #4

  • Status changed from Open to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r42449.
Nobuyoshi, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.

object.c: Module#singleton_class?

  • object.c (rb_mod_singleton_p): new method Module#singleton_class? to
    return whether the receiver is a singleton class or not.
    [ruby-core:51087] [Feature #7609]
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