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  1. #include <vector>
  2.  
  3. template < typename T >
  4. void modify( T & t ) { }
  5.  
  6. int main() {
  7.  
  8.     using namespace std;
  9.  
  10.     vector<int> values; // construct once
  11.  
  12.     while( ... ) {
  13.         // we have a new named variable 'v' but don't need construct
  14.         // vector<int> again, it share same memory with 'values'
  15.         vector<int> & v = values;
  16.         modify( values );
  17.     }
  18. }
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https://ideone.com/P0BtTf
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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