| author | Christian Urban <urbanc@in.tum.de> |
| Thu, 06 Dec 2018 18:50:53 +0000 | |
| changeset 234 | c51305a2217f |
| parent 227 | b5f3e814a710 |
| 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)