With more complex code, you can run into problems when passing values instead of references; on occasion, these can be hard to track down and rectifying them can involve reworking large parts of your code.

I'll bet half the problems come from all the closures :P

In reply to Re^4: Perl Tk - how to send a value from a subroutine back to the main program using Button by Anonymous Monk
in thread Perk Tk - how to send a value from a subroutine back to the main program using Button by Anonymous Monk

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