我有一个方法foo
,签名如下:
pub fn foo(data: PyReadonlyArrayDyn<f64>) {
...
}
在我的测试中,我试图创建一个测试数组来输入foo
pyo3::Python::with_gil(|py| {
let vec = vec![1.0, 2.0, 3.0, 4.0];
py_array = PyArray::from_vec(py, vec);
readonly = py_array.readonly();
foo(readonly);
}
不幸的是,rust告诉我:
mismatched types
expected struct `PyReadonlyArray<'_, f64, Dim<IxDynImpl>>`
found struct `PyReadonlyArray<'_, {float}, Dim<[usize; 1]>>`
显然,我遇到了一个关于维度的问题。我必须如何创建PyReadonlyArray
才能将其馈入foo
?
CallPyArray::to_dyn()
:
pyo3::Python::with_gil(|py| {
let vec = vec![1.0, 2.0, 3.0, 4.0];
py_array = PyArray::from_vec(py, vec);
readonly = py_array.to_dyn().readonly();
foo(readonly);
}