Class MyFunction

tests/python/test_function.py:286–295

            self.metadata = metadata

    class MyFunction(tvm_ffi.Function, JitFunction):
        def __init__(self, metadata: Any) -> None:
            # Explicitly initialize the mixin. `super()` is not used because `tvm_ffi.Function`
            # is an extension type without a standard `__init__`.
            JitFunction.__init__(self, metadata)

        # When subclassing a Cython cdef class and overriding `__init__`,
        # special methods like `__call__` may not be inherited automatically.
        # This explicit assignment ensures the subclass remains callable.
        __call__ = tvm_ffi.Function.__call__

    f = tvm_ffi.convert(lambda x: x)
    assert isinstance(f, tvm_ffi.Function)