main_marking3/re_test1.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Thu, 17 Nov 2022 11:34:50 +0000
changeset 445 b73e7ce91c10
parent 424 daf561a83ba6
child 463 0315d9983cd0
permissions -rw-r--r--
updated

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)