On Tue, Jan 07, 2014 at 09:26:20PM +0900, Stephen J. Turnbull wrote: > Is this really a good idea? PEP 460 proposes rather different > semantics for bytes.format and the bytes % operator from the str > versions. I think this is going to be both confusing and a continuous > target for "further improvement" until the two implementations > converge. >
Reading about the proposed differences reminded me of how in older python2 versions unicode() took keyword arguments but str.decode() only took positional arguments. I squashed a lot of trivial bugs in people's code where that difference wasn't anticpated. In later python2 versions both of those came to understand how to take their arguments as keywords which saved me from further unnecessary pain. -Toshio
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