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Phasers are a blast: FIRST and LAST More | Login | Reply

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do FIRST not BEFORE (Score:1)

by salva (841)

Executing FIRST before anything in the loop makes it pretty uninteresting. It would be more useful if it were run conditionally but on its place.
About implementing it, how about maintaining a loop iteration counter in some internal variable as $?I.
The same applies for LAST, but how do you know you are running the last iteration until after the loop check has failed?
- Re: (Score:1)
  
  by Lasse (9722)
  
  Hi Salva, I assume your post was to me, it made me look at SO4 abouth phasers WOW that's a lot. I done it again, talk/write first without thinking. My construct were more of documentary purpose and to tie code together. And since I did it mostly for myself I didn't have to take care of every edge case e.g. when an empty loop mattered I did the check in the 'phasers'. As for setting LAST just be one step ahead, it's not a big deal for finit resources. I had good use for my construct, but that was not even a
  - Re:do FIRST not BEFORE (Score:1)
    
    by masak (6289) on 2010.07.16 5:54 (#72171) Homepage Journal
    
    Next time I have opinions about Perl6 I read the specs first.
    Ka-ching! You've just earned 100 experience points, and may proceed to the next level of Perl 6. :)
    
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