Re: Determining uniqueness in a string.

by davido (Cardinal)

on Oct 01, 2005 at 00:49 UTC ( [id://496568]=note: print w/replies, xml )

Need Help??

Hashes are good at determining uniqueness. Here's an example:

sub uniq {
    my %hash;
    @hash{ split //, $_[0] } = ();
    return length $_[0] == keys %hash
}
[download]

Dave

Comment on Re: Determining uniqueness in a string. Download Code

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