module Foo : FOO with type t = A | B = struct ... end みたいなのはA | Bの部分が非文なのでダメらしい。普通のバリアントはtypexprでないっぽい。http://caml.inria.fr/pub/docs/manual-ocaml/types.html#typexpr …
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module Foo : FOO with type t = A | B = struct ... end みたいなのはA | Bの部分が非文なのでダメらしい。普通のバリアントはtypexprでないっぽい。http://caml.inria.fr/pub/docs/manual-ocaml/types.html#typexpr …