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Re^3: Challenge: Another Infinite Lazy List

by tlm (Prior)
on Mar 18, 2005 at 02:01 UTC ( #440607=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my $lazy235 = challenge( 2, 3, 5 );
    
  2. or download this
    sub nth {
      my $ll = shift;
    ...
      die "Invalid argument: $n\n" if $n < 0;
      return $n == 0 ? head( $ll ) : nth( tail( $ll ), $n - 1 );
    }
    
  3. or download this
    my @first_50 = take( 50, $lazy235 );
    my @again    = take( 50, $lazy235 );
    ...
    for ( map int( rand( 1000 ) ), ( 1 .. 5 ) ) {
      printf "%3d %d\n", $_, nth( $lazy235, $_ );
    }
    
  4. or download this
    0 2 3 4 5 6 8 9 10 12 14 15 16 18 20 21 22 24 25 26 27 28 30 32 33 34 
    +35 36 38 39 40 42 44 45 46 48 50 51 52 54 55 56 57 58 60 62 63 64 65 
    +66
    
    ...
    530 723
    994 1355
    579 789
    

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