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  1. #include <type_traits>
  2.  
  3. template<class T>
  4. void func(T arg) {
  5.   static_assert(!std::is_pointer<T>::value, "The argument to func must not be a pointer.");
  6. }
  7.  
  8. int main() {
  9.   int i = 2;
  10.   func(i);
  11.   func(&i);
  12. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function 'void func(T) [with T = int*]':
prog.cpp:11:10:   instantiated from here
prog.cpp:5:3: error: static assertion failed: "The argument to func must not be a pointer."
stdout
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Standard output is empty
https://ideone.com/2TtGx
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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