| author | Christian Urban <urbanc@in.tum.de> |
| Tue, 10 Jul 2018 15:09:28 +0100 | |
| changeset 189 | ff815ca0bbcf |
| 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)