Reading/Updating [OCaml Array of Records] at Runtime?

[zeroexcuses]

@dbuenzli

I’m not sure it’s still working and was rather thinking about phasing it out before the first release but in rel

@dbuenzli : If you have time, I am interested in hearing what your original aspirations were with rel, what the reality turned out to be, and why are you now considering phasing it out (i.e. better alternative, or giving up on idea).