[MacRuby-devel] RoxorReturnFromBlockException

[Laurent Sansonetti]

Hi Mike,

No, this is not by design, you found a bug :-) Please file a ticket.

Thanks,

Laurent

On Oct 29, 2009, at 11:16 PM, Mike Moore wrote:

> It looks like MacRuby doesn't allow calling return in a block, which  
> works in 1.8 and 1.9. This looks to be by design, so I'm not sure if  
> the team wants a ticket created. Should I create a ticket?
>
> ----------------------------------------
>
> def foo
>   f = Proc.new { return "return from foo from inside Proc.new" }
>   f.call # control leaves foo here
>   return "return from foo"
> end
>
> def bar
>   f = lambda { return "return from bar from inside lambda" }
>   f.call # control does not leave bar here
>   return "return from bar"
> end
>
> def baz
>   f = proc { return "return from baz from inside proc" }
>   f.call # control does not leave bar here in 1.8, but does in 1.9
>   return "return from baz"
> end
>
> puts foo
> puts bar
> puts baz
>
> ----------------------------------------
>
> $ ruby blocks.rb
> return from foo from inside Proc.new
> return from bar
> return from baz
> $ ruby19 blocks.rb
> return from foo from inside Proc.new
> return from bar
> return from baz from inside proc
> $ macruby blocks.rb
> uncaught Objective-C/C++ exception...
> terminate called after throwing an instance of  
> 'RoxorReturnFromBlockException*'
> Abort trap
>
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