| author | Christian Urban <urbanc@in.tum.de> | 
| Thu, 06 Dec 2018 15:15:31 +0000 | |
| changeset 231 | 26b5a843c696 | 
| parent 227 | 37e659cfbb2e | 
| 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)