diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2009-04-13 08:44:32 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2009-04-13 08:44:32 -0400 |
| commit | 363b43b25df5ab03b7954a421a00303668eea7eb (patch) | |
| tree | fbe06b63994c3d33b18a451146a7b57111e07359 /demo/prose | |
| parent | d05506a1ac2933a37257131ae208f9e71e3de76f (diff) | |
Simplify type class requirement for tree demo
Diffstat (limited to 'demo/prose')
| -rw-r--r-- | demo/prose | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -104,7 +104,7 @@ tree.urp <li> SQL field names <tt>id</tt> (for primary keys) and <tt>parent</tt> (for parent links)</li> <li> A type-level record <tt>cols</tt> of field names besides <tt>id</tt> and <tt>parent</tt></li> <li> "Proofs" that <tt>id</tt> is distinct from <tt>parent</tt> and that neither of <tt>id</tt> and <tt>parent</tt> appears in <tt>cols</tt></li> - <li> Witnesses that both <tt>key</tt> and <tt>option key</tt> belong to the type class <tt>sql_injectable</tt>, which indicates that they are fair game to use with SQL</li> + <li> A witness that <tt>key</tt> belongs to the type class <tt>sql_injectable_prim</tt>, which indicates that both <tt>key</tt> and <tt>option key</tt> are fair game to use with SQL</li> <li> An SQL table <tt>tab</tt>, containing a field <tt>id</tt> of type <tt>key</tt>, a field <tt>parent</tt> of type <tt>option key</tt>, and every field of <tt>cols</tt></li> </ol> |