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  1. #include <iostream>
  2. #include <type_traits>
  3.  
  4. void foo(void* p) { std::cout << "foo() called. it better not try to modify *p!\n"; }
  5.  
  6. template<typename T>
  7. void Remove (T *p)
  8. {
  9.     foo( const_cast< typename std::remove_const<T>::type *> (p) );
  10. }
  11.  
  12. int main()
  13. {
  14.     const int *p;
  15.     Remove(p);
  16. }
  17.  
Success #stdin #stdout 0s 2828KB
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stdin
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Standard input is empty
stdout
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foo() called. it better not try to modify *p!
https://ideone.com/L6urU
language:
C++14 (gcc 8.3)
created:
14 years ago
visibility:
public

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