I'm also thinking of the added complexity in the code, and slight possible performance hit to injecting this level of flexibility. My gut says it's perhaps questionable, but I base that on nothing but gut.
I'm thinking of this versus, in special cases like you mention, just proceeding with a wrapper or subclass? how bad is that? On Fri, Apr 2, 2010 at 12:27 PM, Drew Farris <drew.far...@gmail.com> wrote: > On Fri, Apr 2, 2010 at 7:01 AM, Sean Owen <sro...@gmail.com> wrote: >> What's the use case for needing to vary the hash function? > > I was doing something funky with string prefixes the other day and > could have used something like this baked into collections already. I > vote for the strategy pattern. >
