marking3/re1a_test.scala
author Christian Urban <urbanc@in.tum.de>
Tue, 15 May 2018 01:14:07 +0100
changeset 174 90e0b1cc460b
parent 168 03530cb87cd0
permissions -rw-r--r--
updated

import CW8a._

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)