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Re: For 5.12: tail calls for methods

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Stevan Little
January 18, 2008 07:16
Re: For 5.12: tail calls for methods
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On Jan 18, 2008, at 6:53 AM, Dave Mitchell wrote:

> On Thu, Jan 17, 2008 at 01:46:50PM -0500, Stevan Little wrote:
>>> And how do you want to detect that?
>> Simple, if the last call is to the same function, then it tail- 
>> recurses.
> That implies adding an extra test into every sub call, which we try to
> make as fast as possible.

Actually I would suspect this is something that can be flagged during  
the compilation of the sub. Of course I know little about perl-guts  
so I may be totally off here, but it seems to me that is /should/ be  
possible anyway.

- Stevan

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