Elijah Newren <newren@xxxxxxxxx> writes: >> As we will be dropping 'apply' that could be used as an escape >> hatch, before we do so, we should teach the other backends an >> alternate escape hatch to help those who have been depending on the >> behaviour of 'apply' that discards the empty ones, whether they >> become empty, or they are empty from the beginning. I think the >> "has contents originally but becomes empty" side is already taken >> care of, so we'd need to make sure it is easy to optionally discard >> the ones that are originally empty. >> >> Thanks. > > I will take a look into it, using (or at least starting with) the > suggestion Sami provided. Thanks.