marking4/re_test1.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Mon, 06 Nov 2023 21:26:57 +0000
changeset 475 a0d4c9a3f83a
parent 288 3cd6c850c252
permissions -rw-r--r--
updated jars

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)