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  1. #include <iostream>
  2.  
  3. namespace foo {
  4.     struct Foo {};
  5.  
  6.     template <typename T>
  7.     void func(T t) {
  8.         std::cout << "namespace function\n";
  9.     }
  10. }
  11.  
  12. template <typename T>
  13. void func(T t) {
  14.     std::cout << "global function\n";
  15. }
  16.  
  17. int main() {
  18.     foo::Foo f;
  19.     func(f);
  20. }
  21.  
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 ‘int main()’:
prog.cpp:19: error: call of overloaded ‘func(foo::Foo&)’ is ambiguous
prog.cpp:13: note: candidates are: void func(T) [with T = foo::Foo]
prog.cpp:7: note:                 void foo::func(T) [with T = foo::Foo]
stdout
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Standard output is empty
https://ideone.com/Cskur
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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