> On Wed, Jul 07, 2004 at 11:50:16PM -0400, JOSEPH RYAN wrote: > > To answer the latter first, rand (with no arguments) returns a number > greater than or equal to 0 and less than 1 which when used as an index > into an array gets turned into a 0. > > As to why the second pop would take forever, I'd imagine that in order > to pop the last item from the array, all of the elements must > first be > generated (i.e. we lose all laziness). And unless we have some > magic for > generating them from either end, it'll start at the begining and > continue until the end, then stop before it ever does the pop. :-)
Ah, right, I should known that, in both cases. (: Thanks for answering my silly questions. - Joe
