On Fri, 1 Nov 2002, it was written: > On Fri, Nov 01, 2002 at 10:35:08AM -0800, Ed Peschko wrote: > > So again, I don't see the difference between the two. ^[+]= and ^+= are synonyms > > as far as I can see, and hence no need for the first form. > > Only in the absence of overloading, and only because we've naively > defined array ops to always do "union" rather than "intersection". > If there were a vector op that took the shorter of two arrays as the > overall length, then > > @a = @a »op« @b
Ooo! I have it! @a »op« @b # picks the shorter of the two lengths (intersection) @a «op» @b # picks the longer of the two lengths (union) Maybe the hyper-hash guys could work with it too. ~ John Williams
