Came here to say this: my first thought was that this can provide a nice interface for implementing Radul & Sussman's propagator model https://dspace.mit.edu/h

Came here to say this: my first thought was that this can provide a nice interface for implementing Radul & Sussman's propagator model https://dspace.mit.edu/handle/1721.1/44215 https://dspace.mit.edu/handle/1721.1/44215