author | Christian Urban <urbanc@in.tum.de> |
Wed, 07 Nov 2018 11:59:16 +0000 | |
changeset 197 | c3e39fdeea3b |
parent 168 | 03530cb87cd0 |
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)