marking4/re_test1.scala
author Christian Urban <urbanc@in.tum.de>
Fri, 01 Nov 2019 23:14:35 +0000
changeset 302 b15e7260e9be
parent 288 3cd6c850c252
permissions -rw-r--r--
updated

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)