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  1. #include <iostream>
  2. #include <map>
  3.  
  4. using namespace std;
  5.  
  6. typedef map<string, void(*)()> Foo;
  7.  
  8. void call(const Foo& foo, const string& val, void(*defaultValue)() = NULL)
  9. {
  10.   auto it = foo.find(val);
  11.   if (it == foo.end())
  12.   {
  13.     if (defaultValue)
  14.     {
  15.     	defaultValue();
  16.     }
  17.   }
  18.   else
  19.   {
  20.   	if (it->second)
  21.   	{
  22.   		it->second();
  23.   	}
  24.   }
  25. }
  26.  
  27. int main()
  28. {
  29. 	Foo foo;
  30. 	foo["asd"] = [](){ cout << "wybrales asd" << endl; };
  31. 	foo["xxx"] = [](){ cout << "wybrales xxx" << endl; };
  32. 	foo["yyy"] = [](){ cout << "wybrales yyy" << endl; };
  33.  
  34. 	string s;
  35. 	while (cin >> s)
  36. 	{
  37. 	  call(foo, s, [](){ cout << "nie ma takiej opcji :(" << endl; });
  38. 	}
  39.  
  40. 	return 0;
  41. }
Success #stdin #stdout 0s 3480KB
comments (?)
stdin
copy 
asd
xxx
yyy
dupa
stdout
copy 
wybrales asd
wybrales xxx
wybrales yyy
nie ma takiej opcji :(
https://ideone.com/6nQWsX
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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