Method add

test_utils/src/accumulators.rs:132–134

(&mut self, element: T)

impl<T: Clone + Hash + Eq> InitialElementsStore<T> for InMemoryInitialElements<T> {
    fn add(&mut self, element: T) {
        self.db.insert(element);
    }

    fn has(&self, element: &T) -> bool {
        self.db.get(element).is_some()