Daniel Berger created JRUBY-6304:
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Summary: Array#flatten!(0) returns different value than MRI
Key: JRUBY-6304
URL: https://jira.codehaus.org/browse/JRUBY-6304
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6.5
Environment: jruby 1.6.5 (ruby-1.8.7-p330) (2011-10-25 9dcd388) (Java
HotSpot(TM) Client VM 1.6.0_29) [Windows Vista-x86-java]
Reporter: Daniel Berger
Assignee: Thomas E Enebo
Priority: Minor
Minor discrepancy between MRI and JRuby with Array#flatten(0):
{noformat}[1,[2,[3,4]]].flatten!(0) # => MRI returns original array, JRuby
returns nil{noformat}
This could be a bug in MRI, which traditionally returns nil on bang methods if
the receiver is unmodified. I leave it to you to decide. :)
Courtesy of berger_spec.
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