On 09/13/2013 10:09 PM, R. David Murray wrote: > On Fri, 13 Sep 2013 20:40:58 +0200, Antoine Pitrou <solip...@pitrou.net> > wrote: >> Rationale >> ========= >> >> Numerous specialized versions of this pattern exist. The most common >> is a case-insensitive case-preserving dict, i.e. a dict-like container >> which matches keys in a case-insensitive fashion but retains the >> original casing. It is a very common need in network programming, as >> many protocols feature some arrays of "key / value" properties in their >> messages, where the keys are textual strings whose casing isn't >> relevant. > > This motivation would be stronger if the last phrase was something like > "where the keys are textual strings whose case is specified to be ignored > on receipt but by either specification or custom is to be preserved > or non-trivially canonicalized when retransmitted." > >> (it can be said that the pattern *projects* keys from the user-visible >> set onto the internal lookup set, hence this PEP's title) > > Not clear what "projects" has to do with the PEP title.
Clearly it should be called ProjectionDict! cheers, Georg _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
