Mercurial > urweb
view demo/refFun.ur @ 2062:795b5b75453c
Add 'role' data attribute.
Note, that 'role' attribute is a part of reach ARIA API described here:
http://www.w3.org/TR/wai-aria/
Among 'role', it defines lots of aria-* attributes
author | Sergey Mironov <grrwlf@gmail.com> |
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date | Mon, 07 Jul 2014 10:05:04 +0400 |
parents | 1a317a707d71 |
children |
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functor Make(M : sig type data val inj : sql_injectable data end) = struct type ref = int sequence s table t : { Id : int, Data : M.data } PRIMARY KEY Id fun new d = id <- nextval s; dml (INSERT INTO t (Id, Data) VALUES ({[id]}, {[d]})); return id fun read r = o <- oneOrNoRows (SELECT t.Data FROM t WHERE t.Id = {[r]}); case o of None => error <xml>You already deleted that ref!</xml> | Some r => return r.T.Data fun write r d = dml (UPDATE t SET Data = {[d]} WHERE Id = {[r]}) fun delete r = dml (DELETE FROM t WHERE Id = {[r]}) end