| author | Christian Urban <urbanc@in.tum.de> |
| Fri, 05 Oct 2018 11:27:16 +0100 | |
| changeset 194 | 2e373c31baed |
| parent 168 | bb69fdebf05a |
| 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)