Proc initialization magic
-------------------------
Key: JRUBY-5420
URL: http://jira.codehaus.org/browse/JRUBY-5420
Project: JRuby
Issue Type: Bug
Affects Versions: JRuby 1.6RC1
Reporter: Hiro Asari
Assignee: Thomas E Enebo
Priority: Minor
# Argument error in both MRI and JRuby:
{noformat}
Proc.new # => tried to create Proc object without a block (ArgumentError)
{noformat}
# Argument error in both MRI and JRuby:
{noformat}
class P < Proc; end; p=P.new # => tried to create Proc object without a block
(ArgumentError)
{noformat}
# Returns {{"hello"}} in MRI and Rubinius; ArgumentError raised in JRuby.
{noformat}
class P < Proc; end; def f; P.new; end; x = f {"hello"}; x.call # => "hello"
{noformat}
As for the last case, it just seems wrong to me that it works at all in MRI.
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