From: muraken@...
Date: 2016-06-13T14:39:31+00:00
Subject: [ruby-core:75995] [Ruby trunk Bug#12485] Kernel.Rational raises TypeError though given denominator returns 1 by to_int

Issue #12485 has been reported by Kenta Murata.

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Bug #12485: Kernel.Rational raises TypeError though given denominator returns 1 by to_int
https://bugs.ruby-lang.org/issues/12485

* Author: Kenta Murata
* Status: Open
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.3.1p112 (2016-04-26 revision 54768) [x86_64-darwin15]
* Backport: 2.1: UNKNOWN, 2.2: UNKNOWN, 2.3: UNKNOWN
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Is it an intentional behavior?

```ruby
class << (o = Object.new)
  def to_int
    1
  end
end

Rational(1, o)  #=> TypeError: not an integer
```



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