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strange take_while behavior on 1.7.19 #3178

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marshall-lee opened this issue Jul 24, 2015 · 1 comment
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strange take_while behavior on 1.7.19 #3178

marshall-lee opened this issue Jul 24, 2015 · 1 comment
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@donv
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@marshall-lee
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MRI:

1.9.3-p551 :001 >  [{}].to_enum.take_while(&:empty?)
 => [{}] 
1.9.3-p551 :002 >  [{}].to_enum.take_while { |h| h.empty? }
 => [{}]

JRuby:

jruby-1.7.19 :001 > [{}].to_enum.take_while { |h| h.empty? }
 => [{}] 
jruby-1.7.19 :002 > [{}].to_enum.take_while(&:empty?)
 => [nil]

Why [nil]?
@marshall-lee marshall-lee mentioned this issue Jul 24, 2015
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@donv
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donv commented Jul 25, 2015

Hi @marshall-lee !

This is a bug and has been fixed in JRuby 1.7.21. Verified just now 😄

#2907

@donv donv closed this as completed Jul 25, 2015
@donv donv added this to the Invalid or Duplicate milestone Jul 25, 2015
@donv donv self-assigned this Jul 25, 2015
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