William Hart

I've confirmed that the Pyomo tests with SCIP all pass on the Pyomo 6.4.3 development branch. I don't know that there were any fixes to that branch, though. Hence, we'll...

Alternatively, I'm wondering if there is a generic expression type that would support caching FastAD expressions in a std::vector class. Even if it wasn't as opaque as std::any, something like...