[Python-ideas] An identity dict

Benjamin Peterson benjamin at python.org
Tue Jun 1 04:31:39 CEST 2010

Lie Ryan <lie.1296 at ...> writes:
> that their id() is expensive is implementation details, and the
> developer of PyPy should solve that instead of adding a clutch to the
> stdlib.

The stdlib isn't just about CPython. We already have optimized primitives for
CPython, so I don't see why helping other implementations isn't a good cause.

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