Steven Bethard <steven.bethard <at> gmail.com> writes:
>
> If %-formatting is to be deprecated, the transition strategy here
> is trivial. However, no one has yet written translators, and it is
> not clear what heuristics should be used, e.g. should the method
> just try %-formatting first and then {}-formatting if it fails?
This would be a reasonable heuristic. It should be done only on the first call,
though, and then the result remembered (for both performance reasons and
consistency).
The cases where a format string would function in both formatting styles and
expect the same parameters must be very rare in the real world.
Regards
Antoine.
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