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There are tools out there for other languages that _can_ handle incremental & per-modules builds, such as purs-nix for PureScript, so if opam-nix doesn't now, I

• ghostwriter 4y ago
  > what does dune actually offer me if I’m using Nix to manage dependencies already? purs-nix is a good example that even if per-module compilation is made into derivations, the rest of the remaining heavy-lifting of constraints resolution is done by the external build tool. You can think of Nix as a dependency manager, but only with a huge caveat that it doesn't actually manage constraints that come with those dependencies, especially transitive ones.
  • toastal 4y ago
    That's a good read but I'm still unclear on dune vs. ocamlfind/ocamlopt. Is dune not using those under the covers like Nix could?