Method from_vec2

src/array.rs:595–611

Construct a two-dimension array from a [`Vec >`][Vec]. This function checks all dimensions of the inner vectors and returns an error if they are not all equal. # Example ``` use numpy::{PyArray, PyArrayMethods}; use pyo3::Python; use ndarray::array; Python::attach(|py| { let vec2 = vec![vec![11, 12], vec![21, 22]]; let pyarray = PyArray::from_vec2(py, &vec2).unwrap(); assert_eq!(pyarray.

(py: Python<'py>, v: &[Vec<T>])

    /// });
    /// ```
    pub fn from_vec2<'py>(py: Python<'py>, v: &[Vec<T>]) -> Result<Bound<'py, Self>, FromVecError> {
        let len2 = v.first().map_or(0, |v| v.len());
        let dims = [v.len(), len2];
        // SAFETY: The result of `Self::new` is always safe to drop.
        unsafe {
            let array = Self::new(py, dims, false);
            let mut data_ptr = array.data();
            for v in v {
                if v.len() != len2 {
                    cold();
                    return Err(FromVecError::new(v.len(), len2));
                }
                clone_elements(py, v, &mut data_ptr);
            }
            Ok(array)
        }
    }
}

impl<T: Element> PyArray<T, Ix3> {