> On 16 Jan 2018, at 17:46, Sam Steingold <s...@gnu.org> wrote: > > Hi, > > When I start CLISP with the full linking set (i.e., including all > possible extensions), I have 63 packages in (list-all-packages), and 37 > of them (more than half!) comes from asdf (22 ASDF/* and 15 UIOP/*). > > I wonder if I am the only one unhappy about this. > In particular, has it ever been considered that it might be a good idea > to limit the number of packages asdf creates?
Why? Does FIND-PACKAGE use a linear algorithm to find the packages? This apparent multiplication of packages is due to the absence of hierarchical package names (and, granted, a tendency to over-modularize the code). But IMO, an implementation should be prepared to handle a big number of packages. Notably, use-package should be cheap, so packages used by a lot of other packages shouldn’t be costly either. (On the other hand, FIND-SYMBOL in a package that uses a lot of other packages may be rather costly, either in time or in memory (cache)). Note that users probably don’t use LIST-ALL-PACKAGES directly. In my case, I use com.informatimago.common-lisp.interactive.interactive:lspack ; I’ve never felt the need to filter out the packages very strongly (it uses string-match-p to select package names containing an optional substring), but it would be trivial to add filters to exclude package names that have some hierarchical structure in them (“sub-packages” delimited with “/“ or “.”). -- __Pascal J. Bourguignon__
