| author | Christian Urban <christian.urban@kcl.ac.uk> | 
| Fri, 15 Jan 2021 02:47:51 +0000 | |
| changeset 385 | 1ff267cae316 | 
| parent 347 | 0b727d1a8184 | 
| child 403 | 312c9eb39ad8 | 
| 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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