Incompatible behaviour of splat operator (*) with objects that implement #to_a
(w.r.t. MRI)
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Key: JRUBY-5632
URL: http://jira.codehaus.org/browse/JRUBY-5632
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6
Environment: jruby-1.6.0 under OSX 10.6 and ruby-1.9.2p136
Reporter: Loren Segal
Assignee: Thomas E Enebo
Priority: Minor
It seems that the behaviour of JRuby's splat operator is to call #to_a on an
object to splat it out
$ ruby -v
ruby 1.9.2p136 (2010-12-25 revision 30365) [x86_64-darwin10.6.0]
$ ruby -e 'class A; def to_a; nil end end; p *A.new'
#<A:0x0000010086dd40>
$ jruby -e 'class A; def to_a; nil end end; p *A.new'
TypeError: `to_a' did not return Array
(root) at -e:1
I'm honestly not sure if this is considered a bug in JRuby or MRI, but I'd like
to see the behaviour consistent across implementations. It seems related to
JRUBY-4584, if that helps.
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