STINNER Victor <victor.stin...@gmail.com> added the comment:
_PyUnicodeWriter in long_to_decimal_string() for example.
>
> long_to_decimal_string() is already creates a string of known size. How
> _PyUnicodeWriter can help here?
"x={}".format(123) uses a temporary buffer for "123". Using
_PyUnicodeWriter even to format 123 would avoid a malloc() and a copy of
the characters.
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14744>
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