| author | Christian Urban <christian.urban@kcl.ac.uk> |
| Thu, 13 Jan 2022 12:55:03 +0000 | |
| changeset 420 | a6db2b70abdd |
| parent 403 | 312c9eb39ad8 |
| child 430 | 4029552de5fc |
| 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)