| author | Christian Urban <urbanc@in.tum.de> |
| Fri, 17 Aug 2018 11:58:55 +0100 | |
| changeset 191 | f78b18c4c886 |
| parent 168 | 03530cb87cd0 |
| permissions | -rw-r--r-- |
import CW8a._ assert(nullable(ZERO) == false) assert(nullable(ONE) == true) assert(nullable(CHAR('a')) == false) assert(nullable(ZERO | ONE) == true) assert(nullable(ZERO | CHAR('a')) == false) assert(nullable(ONE ~ ONE) == true) assert(nullable(ONE ~ CHAR('a')) == false) assert(nullable(STAR(ZERO)) == true)