Some window aggregation algorithms in Go.
Reference: Martin Hirzel, Scott Schneider, and Kanat Tangwongsan. 2017. Sliding-Window Aggregation Algorithms: Tutorial. In Proceedings of the 11th ACM International Conference on Distributed and Event-based Systems (DEBS '17). Association for Computing Machinery, New York, NY, USA, 11–14. https://doi.org/10.1145/3093742.3095107