| author | Christian Urban <urbanc@in.tum.de> | 
| Sat, 02 Nov 2019 21:23:42 +0000 | |
| changeset 307 | ed29d988b984 | 
| parent 300 | be9900ba65ff | 
| permissions | -rw-r--r-- | 
import CW9c._ 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)