"Terry Reedy" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Guido: > > But for *immutable* objects (like numbers, strings and tuples) the > implementation is free to use caching. In practice, I believe ints > between -5 and 100 are cached, and 1-character strings are often > cached (but not always). > > Hope this helps! I would think this is in the docs somewhere but > probably not in a place where one would ever think to look... > > -----------
To be clearer, the above quotes what Guido wrote in the post of his that I am responding to. Only the below is my response. > I am sure that the fact that immutables *may* be cached is in the ref > manual, but I have been under the impression that the private, *mutable* > specifics for CPython are intentionally omitted so that people will not > think of them as either fixed or as part of the language/library. > > I have previously suggested that there be a separate doc for CPython > implementation details like this that some people want but which are not > part of the language or library definition. > Terry J. Reedy _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
