| author | Christian Urban <urbanc@in.tum.de> | 
| Wed, 13 Jun 2018 14:38:15 +0100 | |
| changeset 181 | 5b889c263b6b | 
| 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)