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      deduction guides forstd::pair

      From cppreference.com
      <cpp‎ |utility‎ |pair
       
       
      Utilities library
       
       
      Defined in header<utility>
      template<class T1,class T2>
      pair(T1, T2)-> pair<T1, T2>;
      (since C++17)

      Onededuction guide is provided forstd::pair to account for the edge cases missed by the implicit deduction guides, in particular, non-copyable arguments and array to pointer conversion.

      [edit]Example

      Run this code
      #include <utility> int main(){int a[2], b[3];std::pair p{a, b};// explicit deduction guide is used in this case}
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/utility/pair/deduction_guides&oldid=157160"

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