Ur/Web: tests/open_functor.ur annotate

Fix a read-after-free bug using a timestamp check

author	Adam Chlipala <adam@chlipala.net>
date	Thu, 19 Nov 2015 13:18:58 -0500
parents	71bafe66dbe1
children

rev	line source
adamc@146	1 signature S = sig
adamc@146	2 type t
adamc@146	3 val x : t
adamc@146	4 end
adamc@146	5
adamc@146	6 functor F (M : S) : S where type t = M.t = struct
adamc@146	7 type t = M.t
adamc@146	8 val x = M.x
adamc@146	9 end
adamc@146	10
adamc@146	11 structure M = F(struct
adamc@146	12 type t = int
adamc@146	13 val x = 0
adamc@146	14 end)
adamc@146	15
adamc@146	16 open M

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