Mercurial > urweb
annotate tests/type_classMod.ur @ 1936:6745eafff617
Start SQL transactions as read-only when possible, based on conservative program analysis
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Thu, 12 Dec 2013 17:42:48 -0500 |
| parents | 71bafe66dbe1 |
| children |
| rev | line source |
|---|---|
| adamc@217 | 1 structure M = struct |
| adamc@217 | 2 structure N = struct |
| adamc@217 | 3 class c t = t |
| adamc@217 | 4 val string_c : c string = "Hi" |
| adamc@217 | 5 end |
| adamc@217 | 6 end |
| adamc@217 | 7 |
| adamc@217 | 8 val c : t :: Type -> M.N.c t -> t = |
| adamc@217 | 9 fn t :: Type => fn pf : M.N.c t => pf |
| adamc@217 | 10 val hi = c [string] _ |
| adamc@217 | 11 |
| adamc@217 | 12 val bool_c : M.N.c bool = True |
| adamc@217 | 13 val true = c [bool] _ |
| adamc@217 | 14 val hi = c [string] _ |
| adamc@217 | 15 |
| adamc@217 | 16 con c = M.N.c |
| adamc@217 | 17 val int_c : c int = 0 |
| adamc@217 | 18 val zero = c [int] _ |