Method has_branch

atomic-core/tests/crdt_integration_test.rs:152–154

(&self, id: BranchId)

    }

    fn has_branch(&self, id: BranchId) -> Result<bool, Self::Error> {
        Ok(self.branches.contains_key(&id))
    }

    fn del_branch(&mut self, id: BranchId) -> Result<bool, Self::Error> {
        if let Some(branch) = self.branches.remove(&id) {