| author | Christian Urban <urbanc@in.tum.de> |
| Thu, 22 Nov 2018 17:20:32 +0000 | |
| changeset 214 | ec7a4c47ba83 |
| parent 168 | bb69fdebf05a |
| permissions | -rw-r--r-- |
| 168 | 1 |
import CW8a._ |
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assert(nullable(ZERO) == false) |
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assert(nullable(ONE) == true) |
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assert(nullable(CHAR('a')) == false)
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assert(nullable(ZERO | ONE) == true) |
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assert(nullable(ZERO | CHAR('a')) == false)
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assert(nullable(ONE ~ ONE) == true) |
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assert(nullable(ONE ~ CHAR('a')) == false)
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assert(nullable(STAR(ZERO)) == true) |
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