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Re^2: Default Hash Key

by jethro (Monsignor)
on May 02, 2008 at 14:04 UTC ( [id://684172]=note: print w/replies, xml ) Need Help??

in reply to Re: Default Hash Key
in thread Default Hash Key

If I read the doc of Tie::Hash correctly, you should have used
use Tie::StdHash qw( );
Tie::Hash only provides a subset of the necessary hash methods

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Re^3: Default Hash Key
by ikegami (Patriarch) on May 02, 2008 at 21:52 UTC

    Tie::Hash, Tie::StdHash and Tie::ExtraHash are in Tie/, thus use Tie::Hash; is needed even if you want to use the Tie::StdHash class.

    >perl -e"use Tie::StdHash qw( );" Can't locate Tie/ in @INC (@INC contains: c:/Progs/perl588/l +ib c:/Progs/perl588/site/lib .) at -e line 1. BEGIN failed--compilation aborted at -e line 1.

    Notice that I didn't actually inherit from Tie::Hash. I didn't inherit from Tie::StdHash either because it doesn't provide any means to store object attributes such as the default value. Tie::ExtraHash does.

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