vectorcallfunc

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.

version(Python_2_6_Or_Later && Python_3_8_Or_Later)

extern (C)

alias vectorcallfunc = PyObject* function(PyObject* callable, const(PyObject*)* args, size_t nargsf, PyObject* kwnames)

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