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  1. #include <limits>
  2. #include <iostream>
  3.  
  4. template <typename T>
  5. extern auto foo = std::numeric_limits<T>::max();
  6.  
  7. int main() {
  8. 	std::cout << foo<float> << std::endl;  // prints 3.40282e+38
  9. 	foo<float> = 42.0;
  10. 	std::cout << foo<float> << std::endl;  // prints 42
  11. 	return 0;
  12. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
3.40282e+38
42
https://ideone.com/3kfXMJ
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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