author | Christian Urban <christian.urban@kcl.ac.uk> |
Fri, 26 Apr 2024 17:29:30 +0100 | |
changeset 485 | 19b75e899d37 |
parent 288 | 65731df141a5 |
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)