Method visit_circle

src/analysis/wto.rs:332–340

(&mut self, circle: &WtoCircle)

    }

    fn visit_circle(&mut self, circle: &WtoCircle) {
        let head = circle.head();
        self.wto_nesting_map.insert(head, self.wto_nesting.clone());
        self.wto_nesting.push(head);
        for comp in circle {
            self.visit_component(&comp);
        }
        self.wto_nesting.pop();
    }
}

impl WtoNestingIterator {