From: ts <decoux@...>
Date: 2001-04-19T20:43:46+09:00
Subject: [ruby-talk:13858] Re: local vars in case

>>>>> "K" == K Kosako <kosako@sofnec.co.jp> writes:

K>  From Guy Decoux <200104191053.f3JArsH28644@orsay1.moulon.inra.fr>

>> [0,1].each {|n|
>>    print "n: #{n}\n"
>>    case n
>>    when 1
>>       a = 0
>>       print "a: #{a}\n"       # => 0
>>    when 0
>>       b = 1
>>       print "a: #{a}\n"       # => "a: "   (a == nil)
>>       print "b: #{b}\n"
>>    end
>> }

K> Here is the output. (patch was applied)

K> n: 0
K> a: 0
K> n: 1
K> a: 
K> b: 1


 Explain me the result :-)

 I've reversed the `when', normally I expect

  n: 0
  a:
  b: 1
  n: 1
  a: 0


Guy Decoux