Object#instance_exec only works with blocks of 3 parameters or less?!
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Key: JRUBY-3490
URL: http://jira.codehaus.org/browse/JRUBY-3490
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 1.1.6, JRuby 1.1.4, JRuby 1.2
Environment: Sun Java 1.5 on Linux, OS/X
Reporter: Sam Coward
Attachments: jruby_instance_exec.patch
Once you go above 3 arguments, it seems instance_exec breaks down.
{code}
$ jirb
irb(main):001:0> block = Proc.new { |a,b,c,d| a+b+c+d }
=> #<Proc:0xf73893@(irb):2>
irb(main):002:0> instance_exec(1,2,3,4,&block)
ArgumentError: wrong # of arguments(4 for 3)
from (irb):3
irb(main):003:0> block = Proc.new { |a,b,c,d,e| a+b+c+d+e }
=> #<Proc:0xc6a374@(irb):4>
irb(main):004:0> instance_exec(1,2,3,4,5,&block)
ArgumentError: wrong # of arguments(5 for 3)
from (irb):5
{code}
I tried the attached patch, which adds rest=true to the JRubyMethod, allowing
it to accept any number of arguments. I'm not quite sure if there was some
reason why optional=3?
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