[Python-Dev] Should PEP 498 specify if rf'...' is valid? (original) (raw)

Alexander Walters tritium-list at sdamon.com
Wed Oct 28 15:05:21 EDT 2015

Have you ever used a command line application that --accepted --Boolean --flags? Have you ever found one that required the flags to be in order? You remember how much you hated that application for being so arbitrary about the input?

That is exactly how I feel about the order mattering for string prefixes in 2.7. 3.x got rid of that, and that is one of the few undeniably good choices made in python 3.

for the love of all that is holy, don't un-fix that.

On 10/27/2015 14:39, Sven R. Kunze wrote:

On 26.10.2015 20:54, Ethan Furman wrote:

You misunderstand -- the order of string prefixes does not matter, so forcing us to use one is silly. I don't think so. It's better to have less possibilities in the beginning. So later on, we can easily relax the restrictions without breaking compatibility. Best, Sven

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