Mercurial > urweb
annotate tests/functor.ur @ 2166:8a01e8f21de9
Make OpenSSL usage thread-safe (closes #206)
Enable OpenSSL?s multithreading support by defining locking and
thread-ID callbacks. Remove a lock obviated by this change.
| author | Benjamin Barenblat <bbaren@mit.edu> |
|---|---|
| date | Thu, 06 Aug 2015 10:15:53 -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 |