Mercurial > urweb
annotate tests/openRedef.ur @ 1639:6c00d8af6239
Add a new scoping check for unification variables, to fix a type inference bug
| author | Adam Chlipala <adam@chlipala.net> |
|---|---|
| date | Sun, 18 Dec 2011 11:29:13 -0500 |
| parents | cccf8bf64b30 |
| children |
| rev | line source |
|---|---|
| adam@1527 | 1 structure M = struct |
| adam@1527 | 2 con num = int |
| adam@1527 | 3 val zero = 0 |
| adam@1527 | 4 end |
| adam@1527 | 5 |
| adam@1527 | 6 structure N = struct |
| adam@1527 | 7 open M |
| adam@1527 | 8 con num = num * num |
| adam@1527 | 9 val zero = zero + 1 |
| adam@1527 | 10 end |
| adam@1527 | 11 |
| adam@1527 | 12 structure O = struct |
| adam@1527 | 13 open N |
| adam@1527 | 14 |
| adam@1527 | 15 val one : num = (zero + 1, zero) |
| adam@1527 | 16 end |