| author | Christian Urban <urbanc@in.tum.de> | 
| Thu, 22 Nov 2018 17:20:32 +0000 | |
| changeset 214 | ec7a4c47ba83 | 
| 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)