instance method `duplicable?`

Ruby on Rails 8.0.4

Since v7.0.10

Compare with:

duplicable?()

Singleton instances are not duplicable:

Class.new.include(Singleton).instance.dup # TypeError (can't dup instance of singleton

Source

# File activesupport/lib/active_support/core_ext/object/duplicable.rb, line 66
  def duplicable?
    false
  end

Defined in activesupport/lib/active_support/core_ext/object/duplicable.rb line 66 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Singleton

Signature