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49 lines
819 B
49 lines
819 B
// Defining TRUE and FALSE is usually a Bad Idea, |
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// because you will probably be inconsistent with anyone |
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// else who had the same clever idea. |
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// Therefore: DON'T USE THIS FILE. |
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#ifndef _bool_h |
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#define _bool_h 1 |
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// make sure a config.h has been included before |
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#if defined(__GNUG__) || defined(HAVE_BOOL_TYPE) |
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#undef TRUE |
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#undef FALSE |
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#define TRUE true |
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#define FALSE false |
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#else |
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class bool { |
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int rep; |
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public: |
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bool () |
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: rep(0) |
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{} |
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bool (int i) |
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: rep(!!i) |
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{} |
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bool (const bool &b) |
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: rep(b.rep) |
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{} |
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bool &operator= (const bool b) |
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{ rep = b.rep; return *this; } |
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bool &operator= (int i) |
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{ rep = !!i; return *this; } |
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operator int () |
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{ return rep; } |
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}; |
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#undef true |
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#undef false |
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#define true (bool(1)) |
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#define false (bool(0)) |
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#endif |
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#endif
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