| author | Christian Urban <christian.urban@kcl.ac.uk> |
| Sat, 08 Oct 2022 00:30:51 +0100 | |
| changeset 427 | 6e93040e3378 |
| parent 403 | ffce7b61b446 |
| child 433 | 6af86ba1208f |
| 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)