Eric V. Smith added the comment:
> And the expected performance for optimal `f'X is {x}'` code would
> be *faster* than `"'X is %s' % (x,)"` which still needs to
> interpret the string at runtime, and build a proper tuple object
> on stack.
That's not necessarily true. The f-string version still needs to invoke the
.format() method on the object, instead of only working for a handful of
hard-coded types.
I'm not saying there aren't optimization opportunities, but it may be that
%-formatting is always faster.
----------
_______________________________________
Python tracker <[email protected]>
<http://bugs.python.org/issue27078>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
