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Re^4: Gtk2 Visual Grep

by Corion (Pope)
on Jun 23, 2009 at 17:24 UTC ( #774118=note: print w/replies, xml ) Need Help??


in reply to Re^3: Gtk2 Visual Grep
in thread Gtk2 Visual Grep

This seems to me what the original post does. So maybe you can elaborate where exactly you encounter problems?

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[Eily]: oh, boolean context uses the "" overload if no bool overload has been defined
[Eily]: (I wondered if overloading bool was actually necessary)
[Corion]: Yeah, you need bool to get a true value, and the rest to return the other value ;)
[choroba]: perl -wE '{package o; use Tie::Scalar; use parent -norequire => "Tie::StdScalar" ;sub FETCH { "x" x int rand 2}} tie my $x, "o" ; say $x for 1 .. 10'
[choroba]: for complete ness

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