Methods
D
Instance Public methods
duplicable?()

Unbound methods are not duplicable:

method(:puts).unbind.duplicable? # => false
method(:puts).unbind.dup         # => TypeError: allocator undefined for UnboundMethod

Source: show | on GitHub 

# File activesupport/lib/active_support/core_ext/object/duplicable.rb, line 46
def duplicable?
  false
end