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output of xbool

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This commit is contained in:
Joachim Schöberl 2020-05-22 08:15:40 +02:00
parent 34a6777f49
commit 897cf6f848
1 changed files with 8 additions and 0 deletions
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8
libsrc/core/xbool.hpp
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@ -30,7 +30,15 @@ namespace ngcore
bool IsTrue () const { return state == 2; }
bool IsMaybe () const { return state == 1; }
bool IsFalse () const { return state == 0; }
friend ostream & operator<< (ostream & ost, xbool xb);
};
static char output[] = "0?1";
inline ostream & operator<< (ostream & ost, xbool xb)
{
return ost << output[xb.state];
}
} // namespace ngcore