Martin Jambon <martin.jam...@ens-lyon.org> a écrit :
I disagree. The syntax is a new and optional feature. Authors who
want their
new code to compile with an earlier version of OCaml should simply
avoid using
the new feature, as always.
The 3.12 version number is just minor increment. It should keep
backward compatibility with the 3.x branch as much as possible.
Finally we'll be able to use pattern matching on records for real and it's
really cool. That means we can use records where we used to prefer tuples,
typically on things like tree nodes. It will make it easier to add fields
when the code evolves, compared to tuples.
Yes, this feature is cool. We agree on this point. However not all
systems will be updated to 3.12 as soon as the final version is out.
Most users rely on their linux distribution ocaml (Debian stable is
still stuck at 3.10 for instance).
For syntax sugar extensions, such as { loc; name; _ }, your "don't use
it" conclusion can be understood. But for code stabilization syntax
extensions, such as { ... ; _ }, it's an other story. Users stuck with
more stable versions of the compiler should be able to use more stable
versions of software compiled with it.
- Florent
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