In the following diagram, it is not possible to drag Y on to the end of the arrow, despite it being empty.

In such a situation, it makes sense to allow Y to be dragged on top of the empty node.

We should set up benchmarks for the package, using BenchmarkTools.jl for the actual benchmarking, PkgBenchmark.jl for aggregating benchmarks across the package, and BenchmarkCI.jl for integration with GitHub Actions.

The benchmarks should go in a folder `benchma

Complete algorithm: http://web.cecs.pdx.edu/~mpj/pubs/polyrec.html

Do you intend to implement some of the functions Scott Wlaschin has in its AsyncResult/Result modules, e.g.

AsyncResult.catch
AsyncResult.ofAsync
AsyncResult.ofSuccess
AsyncResult.ofError
AsyncResult.ofResult?

https://github.com/swlaschin/DomainModelingMadeFunctional/blob/master/src/OrderTakingEvolved/Result.fs

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