view gcc/testsuite/g++.dg/cpp1y/context-conv1.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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// N3323

#define assert(E) if(!(E))__builtin_abort();

template<class T>
class zero_init
{
public:
  zero_init( )
    : val( static_cast<T>(0) ) { }
  zero_init( T val ) : val( val )
  { }
  operator T & ( ) { return val; }
  operator T ( ) const { return val; }
private:
  T val;
};

void f()
{
  zero_init<int*> p; assert( p == 0 );
  p = new int(7);
  assert( *p == 7 );
  delete p; // error!

  zero_init<int> i; assert( i == 0 );
  i = 7;
  assert( i == 7 );
  switch( i ) {  } // error!

  int *vp = new int[i];
}