/ Ruby on Rails
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method

duplicable?

rails latest stable - Class: Rational

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.2.3) is shown here.

duplicable?()
public

Rationals are not duplicable:

Rational(1).duplicable? # => false
Rational(1).dup         # => TypeError: can't copy Rational