| author | updated |
| Fri, 07 Dec 2018 02:38:50 +0000 | |
| changeset 238 | 25d896ada26c |
| 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)