author | Christian Urban <christian.urban@kcl.ac.uk> |
Fri, 22 Jan 2021 10:35:50 +0000 | |
changeset 387 | 6282b88511d8 |
parent 347 | 4de31fdc0d67 |
child 403 | ffce7b61b446 |
permissions | -rw-r--r-- |
347 | 1 |
import CW8c._ |
221 | 2 |
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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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