...and a recursive option with error tolerant comparison... 

use strict;
use warnings;

my $eps = 1e-10;

sub distinct {
        return 1 if @_<2; # lists of 1 or empty lists never have dupli
+cates
        my $first = shift;
        for( @_ ) { 
                return 0 if abs($first - $_)<$eps;
        }
        return distinct( @_ );
}

my @n = ( 1, 2, 3, 4, 4 );
print distinct( @n );

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In reply to Re: Multiple Conditional Statements by hdb
in thread Multiple Conditional Statements by jdlev

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