On 18 Mar 2002 at 16:11, Guido van Rossum wrote: > > >>>>> "GvR" == Guido van Rossum <guido@python.org> writes: > > > > >> COMMA.join(['spam', 'eggs']) > > > > GvR> This I've never liked. > > > > >> comma_join(['spam', 'eggs']) > > > > GvR> But this one's sweet! > > > > Ah, so is it the uppercase letters or the dot you dislike <wink>? > > Maybe that, maybe the bother of defining a name for a simple constant; > it's not like you plan to ever change the program to give COMMA a > different value. But comma_join is sweet because it removes a constant > evaluation from a loop (if the join occurs in a loop). ... like once per record when writing a huge file -- unless you are doing it in a C extension so that (inter alia) you can cheaply append "\n" while you are at it. How come python hasn't grown a writeln method, as in: def writeln(self, s): self.write(s + "\n") but implemented efficiently? That if (append_newline) *output++ = '\n'; just has to be up there with the all-time-best-bangs-per-LOC contenders.
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