Method set

crates/sre_engine/src/engine.rs:80–88

(&mut self, mark_nr: usize, position: usize)

    }

    fn set(&mut self, mark_nr: usize, position: usize) {
        if mark_nr & 1 != 0 {
            self.last_index = mark_nr as isize / 2 + 1;
        }
        if mark_nr >= self.marks.len() {
            self.marks.resize(mark_nr + 1, Optioned::none());
        }
        self.marks[mark_nr] = Optioned::some(position);
    }

    fn push(&mut self) {
        self.marks_stack.push((self.marks.clone(), self.last_index));