author | Christian Urban <christian.urban@kcl.ac.uk> |
Mon, 08 Nov 2021 01:39:00 +0000 | |
changeset 403 | ffce7b61b446 |
parent 347 | 4de31fdc0d67 |
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)