use crate::algebra::abstr::{Field, Scalar};
use crate::algebra::linear::{matrix::General, vector::vector::Vector};
pub struct MatrixRowIntoIterator<'a, T> {
m: &'a General<T>,
row: usize,
}
impl<'a, T> MatrixRowIntoIterator<'a, T> {
pub fn new(m: &'a General<T>) -> MatrixRowIntoIterator<'a, T> {
MatrixRowIntoIterator { m, row: 0 }
}
}
impl<'a, T> Iterator for MatrixRowIntoIterator<'a, T>
where
T: Field + Scalar,
{
type Item = Vector<T>;
fn next(&mut self) -> Option<Self::Item> {
if self.row < self.m.nrows() {
let row: Vector<T> = self.m.get_row(self.row);
self.row += 1;
Some(row)
} else {
None
}
}
}