author | Christian Urban <christian.urban@kcl.ac.uk> |
Mon, 09 Nov 2020 14:34:12 +0000 | |
changeset 356 | d1046d9d3213 |
parent 347 | 4de31fdc0d67 |
child 403 | ffce7b61b446 |
permissions | -rw-r--r-- |
import CW8c._ 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)