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Re: Re: Atomic operations in perl and Tk::IO

by rinceWind (Monsignor)
on Apr 01, 2003 at 15:18 UTC ( #247252=note: print w/replies, xml ) Need Help??


in reply to Re: Atomic operations in perl and Tk::IO
in thread Atomic operations in perl and Tk::IO

because $_[0] is the same as $prch when you call tail_lines($prch, $_[0]), and this seems to be not what you want.
Sorry, hiseldl, you are not correct. The call to tail_lines is in an anonymous sub, which is a closure, which is passed a line of text by the Tk::IO mechanism.

See Tk::IO for more details

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Re: Re: Re: Atomic operations in perl and Tk::IO
by hiseldl (Priest) on Apr 01, 2003 at 16:44 UTC

    I've been writing Tk scripts for over a year now, and I temporarily forgot about closures as callbacks, oops, sorry. I'll leave the post as it is to maintain continuity of the thread and as a reminder to other's using Tk to watch for closures in the callbacks. :-)

    Cheers!

    --
    hiseldl
    What time is it? It's Camel Time!

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