| author | Christian Urban <urbanc@in.tum.de> | 
| Mon, 11 Jun 2018 14:51:17 +0100 | |
| changeset 179 | 67d03e051b07 | 
| 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)