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Re: how to avoid mis-spelling hash keys?

by perrin (Chancellor)
on Jan 05, 2003 at 21:50 UTC ( [id://224474]=note: print w/replies, xml ) Need Help??


in reply to how to avoid mis-spelling hash keys?

One very simple approach that works with older versions of Perl is to use lexical variables for your keys.

use strict;

my $bar = 'bar';

my $foo{$bar} = 1;
my $foo{$bear} = 1; # gives a compile error

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