Tim Peters wrote: > [Raymond Hettinger] > ... >> Also, I'm not clear on the rationale for transforming negative >> repetition counts to zero instead of raising an exception. > > There are natural use cases. Here's one: you have a string and want > to right-justify it to 80 columns with blanks if it's shorter than 80. > > s = " " * (80 - len(s)) + s > > does the right thing in all cases, because the blank repetition > gracefully collapses to an empty string whenever len(s) >= 80. I've > used that (and variants thereof) dozens of times. Then again, I don't > believe I've ever used the "integer * sequence" form (i.e., with the > integer on the left).
I originally brought that up because decimal.py uses it. (try to translate this to C code...) Georg _______________________________________________ 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
