main_testing3/re_test1.scala
author Christian Urban <christian.urban@kcl.ac.uk>
Sun, 08 Nov 2020 13:09:38 +0000
changeset 355 e4d779587d3f
parent 347 0b727d1a8184
child 403 312c9eb39ad8
permissions -rw-r--r--
updated

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)