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annotate tests/functor.ur @ 2231:67e801cf42c6

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Add missing file.
author Ziv Scully <ziv@mit.edu>
date Wed, 06 May 2015 14:50:55 -0400
parents 71bafe66dbe1
children
rev   line source
adamc@40 1 signature S = sig
adamc@40 2 type t
adamc@40 3 val z : t
adamc@40 4 val s : t -> t
adamc@40 5 end
adamc@40 6
adamc@40 7 signature T = sig
adamc@40 8 type t
adamc@40 9 val three : t
adamc@40 10 end
adamc@40 11
adamc@42 12 functor F (M : S) : T where type t = M.t = struct
adamc@41 13 type t = M.t
adamc@40 14 val three = M.s (M.s (M.s M.z))
adamc@40 15 end
adamc@43 16
adamc@44 17
adamc@44 18 structure O = F (struct
adamc@44 19 type t = int
adamc@44 20 val z = 0
adamc@44 21 val s = fn x : t => x
adamc@44 22 end)
adamc@44 23 val three : int = O.three
adamc@44 24
adamc@44 25 structure S = struct
adamc@44 26 type t = int
adamc@44 27 val z = 0
adamc@44 28 val s = fn x : t => x
adamc@44 29 end
adamc@44 30 structure SO = F (S)
adamc@44 31 val three : int = SO.three
adamc@44 32
adamc@44 33 structure SS : S = S
adamc@44 34 structure SSO = F (SS)
adamc@44 35 val three : SS.t = SSO.three
adamc@47 36
adamc@47 37 val main = three