| author | Christian Urban <christian.urban@kcl.ac.uk> | 
| Mon, 06 Nov 2023 21:45:03 +0000 | |
| changeset 476 | 182a75439d6b | 
| parent 288 | 3cd6c850c252 | 
| permissions | -rw-r--r-- | 
| 288 | 1 | import CW9c._ | 
| 168 | 2 | |
| 3 | assert(nullable(ZERO) == false) | |
| 4 | assert(nullable(ONE) == true) | |
| 5 | assert(nullable(CHAR('a')) == false)
 | |
| 6 | assert(nullable(ZERO | ONE) == true) | |
| 7 | assert(nullable(ZERO | CHAR('a')) == false)
 | |
| 8 | assert(nullable(ONE ~ ONE) == true) | |
| 9 | assert(nullable(ONE ~ CHAR('a')) == false)
 | |
| 10 | assert(nullable(STAR(ZERO)) == true) | |
| 11 |