Mercurial > urweb
annotate tests/cargs.ur @ 1886:b7cd3c7c7edd
Interpret 'table' signature items more flexibly, automatically adding (Ur) constraints to support a kind of subtyping over (SQL) constraint sets
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Mon, 04 Nov 2013 15:14:23 -0500 |
| parents | 71bafe66dbe1 |
| children |
| rev | line source |
|---|---|
| adamc@239 | 1 con id = fn t :: Type => t |
| adamc@239 | 2 con id2 = fn (t :: Type) => id t |
| adamc@239 | 3 con id3 = fn t => id2 t |
| adamc@239 | 4 |
| adamc@239 | 5 con pair = fn (t :: Type) (u :: Type) => (t, u) |
| adamc@239 | 6 con pair2 = fn t u => pair t u |
| adamc@239 | 7 con pair3 = fn t (u :: Type) => pair2 t u |
| adamc@240 | 8 |
| adamc@240 | 9 con id4 (t :: Type) = t |
| adamc@240 | 10 con id5 (t :: Type) :: Type = id4 t |
| adamc@240 | 11 con id6 t :: Type = id5 t |
| adamc@240 | 12 |
| adamc@240 | 13 con pair4 t (u :: Type) = pair3 t u |
| adamc@240 | 14 con pair5 t (u :: Type) :: (Type * Type) = pair4 t u |