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Re: anonymous vs named subroutines as closures

by ikegami (Pope)
on Jun 04, 2013 at 04:16 UTC ( #1036884=note: print w/replies, xml ) Need Help??

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  1. or download this
    sub outer {
        my ($x) = @_;
    ...
    
    outer(4);  # Prints 4
    outer(6);  # Prints 4!!!
    
  2. or download this
    sub named { ... }
    
  3. or download this
    BEGIN { *named = sub { ... }; }
    

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[Corion]: ambrus: Oh - that one would be much harder to automate... The SYNOPSIS section should mostly be a runnable program IMO, but I write only small snippets in my documentation for single functions/methods, and creating the appropriate environment for ...
[Corion]: ... those in an automated fashion seems somewhat hard to me. Although it should do wonders for the test coverage ;)
[haukex]: Corion: I once wrote an automated thingy for that here
[haukex]: here's the code that uses it
[Corion]: haukex: Hmm - maybe I can reuse that. I see that it uses Pod::Parser, which I think was one of the more fragile parsers. But if I'm statically (re)generating the tests instead of doing that "live" on the client/tester machines, that's a much smaller...
[Corion]: ... problem space than trying to cater to all versions of Pod::Parser(s)
[haukex]: I think you're right, I think Pod::Simple is the preferred parser now

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