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The C Users' Group Library 1994 August
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wc-cdrom-cusersgrouplibrary-1994-08.iso
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vol_200
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232_01
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boolean.st
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1987-06-17
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384b
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21 lines
Class Boolean
[
& aBoolean
^ self and: [aBoolean]
| | aBoolean
^ self or: [aBoolean]
| and: aBlock
^ self and: [aBlock value]
| or: aBlock
^ self or: [aBlock value]
| eqv: aBoolean
^ self == aBoolean
| xor: aBoolean
^ self ~~ aBoolean
]