| author | Christian Urban <urbanc@in.tum.de> | 
| Thu, 06 Dec 2018 13:52:50 +0000 | |
| changeset 230 | a0fd05d1e117 | 
| 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)