On Thu, 17 Oct 2002, David Wheeler wrote:
: On Thursday, October 17, 2002, at 11:49 AM, Shapiro, Jonathan wrote:
:
: > Well, let's look at a few possibilities:
: >
: > 1) if( $vec bit| $mask bit& $mask2 )
: >
: > 2) if( $vec b| $mask b& $mask2 )
: >
: > 3) if( $vec |b $mask &b $mask2 )
: >
: > 4) if( $vec |bit $mask &bit $mask2 )
: >
: > I think I would have an easier time explaining #4 to someone
:
: Yes, except that &bit is a subroutine reference, IIRC, not an operator.
: That's why it makes more sense to put the punctuation character at the
: end of the operator name.
Here's another approach:
my @a is bitmap($a);
my @b is bitmap($b);
my @c is bitmap($c);
@a = @b ^| @c;
and then you get
shift @a;
for free.
Larry
