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Re: Re: A (memory) poor man's hash lookup table.

by BrowserUk (Pope)
on Dec 03, 2003 at 00:21 UTC ( #311793=note: print w/replies, xml ) Need Help??

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  1. or download this
    tie my %hash, 'Tie::CompactHash', 'A0 A4 A*';
    
  2. or download this
    tie my %hash, 'Tie::CompactHash', 'A0 A2 A*';
    
  3. or download this
    tie my %logs, 'Tie::CompactHash', 'A3 xx A4 A2 A*';
    
  4. or download this
    sub EXISTS {
        my( $pre, $key, $post ) = unpack $mask{ $_[SELF] }, $_[KEY];
    ...
            defined $_[SELF]{ $key }
                and $_[SELF]{ $key }[ 0 ] =~ m[(...\c@)\Q$post\E\xff]s;
    }
    

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