Why can't I mut views?

[jgsimard]

In the docs is says
Assignment operators do not work on any kind of view, i.e., one cannot write a *= b even if a is a mutable matrix view.
Why is that?
Will is change?
Thanks

[Andlon]

I'm actually not sure why the docs say that. This works, for example:

use nalgebra::{matrix, vector};

fn main() {
    let mut a = matrix![1.0, 2.0; 3.0, 4.0];
    let mut b = a.fixed_view_mut::<2, 1>(0, 0);
    let c = vector![5.0, 6.0];
    b += c;
}

Perhaps either this is not true anymore, or @sebcrozet had something else in mind? (Assuming he's the one who write this)

[sebcrozet]

Mmh, I don’t remember if that was a limitation before. The docs should be modified to say that the assignment operator = won’t work (instead of *=).

[Andlon]

Filed an issue for this: #1224