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1 // N3323
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2
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3 #define assert(E) if(!(E))__builtin_abort();
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4
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5 template<class T>
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6 class zero_init
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7 {
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8 public:
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9 zero_init( )
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10 : val( static_cast<T>(0) ) { }
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11 zero_init( T val ) : val( val )
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12 { }
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13 operator T & ( ) { return val; }
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14 operator T ( ) const { return val; }
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15 private:
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16 T val;
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17 };
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18
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19 void f()
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20 {
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21 zero_init<int*> p; assert( p == 0 );
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22 p = new int(7);
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23 assert( *p == 7 );
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24 delete p; // error!
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25
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26 zero_init<int> i; assert( i == 0 );
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27 i = 7;
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28 assert( i == 7 );
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29 switch( i ) { } // error!
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30
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31 int *vp = new int[i];
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32 }
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