Mercurial > urweb

view tests/datatypeMod.ur @ 904:6d9538ce94d8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix type class resolution infinite loop, discovered while meeting with Ezra
author Adam Chlipala <adamc@hcoop.net>
date Thu, 06 Aug 2009 15:23:04 -0400
parents 71bafe66dbe1
children
line wrap: on
line source
structure M : sig datatype t = A | B end = struct
        datatype t = A | B
end

val ac = M.A

datatype u = datatype M.t

val ac : M.t = A
val a2 : u = ac

structure M2 = M
structure M3 : sig datatype t = datatype M.t end = M2
structure M4 : sig datatype t = datatype M.t end = M

val bc : M3.t = M4.B

structure Ma : sig type t end = M

structure Magain : sig datatype t = A | B end = M

val page : M.t -> page = fn x => <html><body>
        Hi.
</body></html>

val main : unit -> page = fn () => <html><body>
        <a link={page a2}>Link</a>
</body></html>