Method zip_each

perro_source/core/perro_structs/src/structs/matrix/mod.rs:449–462

(
        &self,
        rhs: &Matrix<ROWS, COLS, U>,
        mut f: impl FnMut(usize, usize, &T, &U),
    )

    #[inline]
    pub fn zip_each<U>(
        &self,
        rhs: &Matrix<ROWS, COLS, U>,
        mut f: impl FnMut(usize, usize, &T, &U),
    ) {
        for row in 0..ROWS {
            for col in 0..COLS {
                // SAFETY: row/col come from matrix bounds for both same-shape matrices.
                f(row, col, unsafe { self.get_unchecked(row, col) }, unsafe {
                    rhs.get_unchecked(row, col)
                });
            }
        }
    }

    #[inline]
    pub fn zip_each_mut<U>(