https://mail.haskell.org/pipermail/ghc-commits/2023-July/055382.html
[Git][ghc/ghc][wip/romes/eqsat-pmc] Improve a little bit the mixing of Ids and ClassIds
https://docs.xdsl.dev/reference/transforms/eqsat_serialize_egraph/
Eqsat serialize egraph - xDSL
xDSL -- a Python-native compiler framework
eqsatserializexdsl