git.delta.rocks / jrsonnet / refs/commits / 80f6128c09ce

Otherwise it is has some quirks. Also allows downstreams to have
different features for rustls if not building with jrb.

It is only used for better clippy and rustfmt anyway

Not needed with the introducion of jrsonnet-web

Inspired by GHC closures

Not worth it. It gives some improvements in some benchmarks, but at the
cost of much complex memory layout, I do not consider that a win