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find a member variable in a vector of objects cpp

UBoiii answered on July 23, 2021 Popularity 1/10 Helpfulness 1/10

answer find a member variable in a vector of objects cpp

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find a member variable in a vector of objects cpp

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//Using a standard functor

struct MatchString
{
 MatchString(const std::string& s) : s_(s) {}
 bool operator()(const Type& obj) const
 {
   return obj.getName() == s_;
 }
 private:
   const std::string& s_;
};

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++ find member vector

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Contributed on Jul 23 2021

UBoiii

0 Answers Avg Quality 2/10

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find a member variable in a vector of objects cpp

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//Using a lambda function (only C++11 or newer)
std::vector<Type> v = ....;
std::string myString = ....;
auto it = find_if(v.begin(), v.end(), [&myString](const Type& obj) {return obj.getName() == myString;})

if (it != v.end())
{
  // found element. it is an iterator to the first matching element.
  // if you really need the index, you can also get it:
  auto index = std::distance(v.begin(), it);
}

Popularity 1/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++ find member vector

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Contributed on Jul 23 2021

UBoiii

0 Answers Avg Quality 2/10

find a member variable in a vector of objects cpp

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find a member variable in a vector of objects cpp

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find a member variable in a vector of objects cpp

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