FFI for PEP 590 Vectorcall #641
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https://www.python.org/dev/peps/pep-0590/ This was tested on 3.7 using _PyCFunctionFast and 3.8 using PyObject_Vectorcall. Extending pyo3-derive-backend to generate code using vectorcall is not done here. This exposes PyObject_Vectorcall with a link_name to the underscored name on 3.8 because it is expected to be stabilized on 3.9. This fixes the "fast" objects being new in 3.7, not 3.6.
kngwyu
approved these changes
Oct 24, 2019
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https://www.python.org/dev/peps/pep-0590/
This was tested on 3.7 using _PyCFunctionFast and 3.8
using PyObject_Vectorcall. Extending pyo3-derive-backend
to generate code using vectorcall is not done here.
This exposes PyObject_Vectorcall with a link_name to the
underscored name on 3.8 because it is expected to be stabilized
on 3.9.
This fixes the "fast" objects being new in 3.7, not 3.6.