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  1. #include <iostream>
  2. #include <map>
  3.  
  4. int main()
  5. {
  6.     std::map<int, int> m { { 4, 4 } };
  7.  
  8.     try
  9.     {
  10.         std::cout << m.at(4) << std::endl;
  11.  
  12.         m.at(5);
  13.     }
  14.     catch (std::out_of_range const& e)
  15.     {
  16.         std::cout << "out_of_range: " << e.what() << std::endl;
  17.     }
  18.  
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0s 3432KB
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stdin
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Standard input is empty
stdout
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4
out_of_range: map::at
https://ideone.com/FR4svY
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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