This repo contains a rust crate that uses the cassowary constraint solver library for rust.
It exports one struct called App that contains the state (point locations)
The App has a public method called update_locations that runs the solver.
Instead of returning the point location, the internal state variable is updated.
To access the point locations there's another exported function called get_points
We use the pointer to access the wasm memory buffer and retrieve the values updated by the solver.