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Re: Backtracking.pm

by educated_foo (Vicar)
on May 10, 2002 at 15:17 UTC ( #165665=note: print w/replies, xml ) Need Help??


in reply to Backtracking.pm

If the code is the first argument, you can use a prototype starting with '&', like this:
sub mymap(&@) { ... }
/s

Replies are listed 'Best First'.
Re: Re: Backtracking.pm
by Joost (Canon) on May 10, 2002 at 15:24 UTC
    Damn, i want to use it as the second argument....

    guess i'm out of luck then ?

    -- Joost downtime n. The period during which a system is error-free and immune from user input.
      Yeah. This one has bothered me, too. I suppose you could do something like this (untested):
      sub is(&) { return $_[0] } sub goal { ... } # ... goal 'foo' is { ... }
      but it's not quite as nice. Option 2: write a source filter that takes
      goal mygoal
      and replaces it with
      goal 'mygoal', sub
      That might be a good way to go.

      /s

        Thanks for the tip, I used Filter::Simple, and it seems to do the trick :-)
        -- Joost downtime n. The period during which a system is error-free and immune from user input.

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[Your Mother]: Stick with what you know. Or post a SOPW and if it's not complicated I guarantee someone will answer; me if it's straightforward and no one else gets it better first.
[1nickt]: ++YourMother (Grammar Vigilante of Bristol)
[Lady_Aleena]: Um, how does grep do multiline? print "$file:$_" if grep { /get_(array|hash| data)\(.+\)/ } $_; only returns the same 18 lines the command line grep does.
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[choroba]: what do you mean by multiline?
[Discipulus]: thanks 1nickt!
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