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  1. #include <string>
  2. #include <iostream>
  3. #include <boost/variant.hpp>
  4.  
  5. namespace NsSemSDK
  6. {
  7.  
  8. struct STreeConstructionRuleRegexp {
  9.     std::string m_strEntity;
  10. };
  11.  
  12. struct STreeConstructionRuleString {
  13.     std::string m_strEntity;
  14. };
  15.  
  16. struct STreeConstructionRuleIdentifier {
  17.     std::string m_strEntity;
  18. };
  19.  
  20. typedef int STreeConstructionRuleNumber;
  21.  
  22. std::ostream& operator<<(std::ostream& stream,
  23.                          const STreeConstructionRuleRegexp& val)
  24. {
  25.     return stream << '\'' << val.m_strEntity << '\'';
  26. }
  27.  
  28. std::ostream& operator<<(std::ostream& stream,
  29.                          const STreeConstructionRuleString& val)
  30. {
  31.     return stream << '"' << val.m_strEntity << '"';
  32. }
  33.  
  34. std::ostream& operator<<(std::ostream& stream,
  35.                          const STreeConstructionRuleIdentifier& val)
  36. {
  37.     return stream << val.m_strEntity;
  38. }
  39.  
  40. typedef boost::variant<
  41.     STreeConstructionRuleRegexp,
  42.     STreeConstructionRuleNumber
  43. > STreeConstructionRuleOperand;
  44.  
  45. // STreeConstructionRuleString, STreeConstructionRuleIdentifier
  46. }
  47.  
  48. using namespace NsSemSDK;
  49.  
  50. int main()
  51. {
  52.     STreeConstructionRuleNumber num = 1024;
  53.     STreeConstructionRuleOperand operand = num;
  54.     std::cout << operand << std::endl;
  55. }
  56.  
  57.  
Success #stdin #stdout 0.01s 2696KB
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1024
https://ideone.com/s4uGV
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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