records are dead long live to ...

Guy Steele guy.steele at
Fri Apr 12 18:43:12 UTC 2019

> On Apr 12, 2019, at 2:17 PM, Kevin Bourrillion <kevinb at> wrote:
> On Fri, Apr 12, 2019 at 12:34 AM Remi Forax <forax at <mailto:forax at>> wrote:
> At the end of section "Why not "just" do tuples ?", you have this gem,
> "A good starting point for thinking about records is that they are nominal tuples."
> That is *a* starting point, but I think a barely useful one. Records have semantics, which makes them *worlds* different from tuples. Methods, supertypes, validation, specification... I think it's fair to say that all a record holds is a "tuple", but it's so much more. Record is to tuple as enum is to int.

Good observation.  And also note that Java `record` is to C `struct` as Java `enum` is to C `enum`.

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