Mercurial > urweb
annotate tests/open_functor.ur @ 1924:b44138e6a3bf
Add activeHead tag.
activeHead is similar to active but produces xhead instead of xbody
| author | Sergey Mironov <grrwlf@gmail.com> |
|---|---|
| date | Fri, 06 Dec 2013 13:59:39 +0400 |
| 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 |