| author | Christian Urban <christian.urban@kcl.ac.uk> |
| Sun, 15 Jan 2023 10:58:13 +0000 | |
| changeset 459 | 7acbef680bef |
| parent 421 | 864107857d27 |
| child 460 | f5c0749858fd |
| permissions | -rw-r--r-- |
import M3._ 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)