instance method `duplicable?`

Ruby on Rails 4.2.9

Since v3.1.12 Last seen in v5.2.8.1

Compare with:

duplicable?()

Symbols are not duplicable:

:my_symbol.duplicable? # => false
:my_symbol.dup         # => TypeError: can't dup Symbol

Source

# File activesupport/lib/active_support/core_ext/object/duplicable.rb, line 84
    def duplicable?
      false
    end

Defined in activesupport/lib/active_support/core_ext/object/duplicable.rb line 84 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Symbol

Signature