Ruby

Bug #13146

Updated by nobu (Nobuyoshi Nakada) over 8 years ago

```ruby 
 test `test = {Float::NAN => 1, -Float::NAN => 2} 
 => {NaN=>1, NaN=>2} 

 test.values_at(Float::NAN, -Float::NAN) 
 => [1, nil] 
 ``` nil]` 

 I don't know what the correct behaviour ought to be, but it seems inconsistent to create a hash with two elements but not be able to extract both values.

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