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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<class A, class B>
  5. auto K = [](A x) {
  6.     return [=](B y) {
  7.         return x;
  8.     };
  9. };
  10.  
  11.  
  12. int main() {
  13.  
  14. 	K<int,int>(5);
  15. 	return 0;
  16. }
Compilation error #stdin compilation error #stdout 0s 3452KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In instantiation of 'auto K<int, int>':
prog.cpp:14:2:   required from here
prog.cpp:5:6: error: use of 'K<int, int>' before deduction of 'auto'
 auto K = [](A x) {
      ^
stdout
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Standard output is empty
https://ideone.com/gjWyf5
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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