Function ndarray::stack

pub fn stack<'a, A, D>(axis: Axis, arrays: &[ArrayView<'a, A, D>]) -> Result<OwnedArray<A, D>, ShapeError> where A: Copy, D: RemoveAxis

Stack arrays along the given axis.

use ndarray::{arr2, Axis, stack};

let a = arr2(&[[2., 2.],
               [3., 3.]]);
assert!(
    stack(Axis(0), &[a.view(), a.view()])
    == Ok(arr2(&[[2., 2.],
                 [3., 3.],
                 [2., 2.],
                 [3., 3.]]))
);