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      std::basic_string<CharT,Traits,Allocator>::append_range

      From cppreference.com
      <cpp‎ |string‎ |basic string
       
       
       
      std::basic_string
       
      template<container-compatible-range<CharT> R>
      constexprstd::basic_string& append_range( R&& rg);
      (since C++23)

      Appends all characters from the rangerg.

      Equivalent to

      return append(std::basic_string(std::from_range, std​::​forward<R>(rg), get_allocator()));

      Contents

      [edit]Parameters

      rg - acontainer compatible range

      [edit]Return value

      *this

      [edit]Complexity

      Linear in size ofrg.

      [edit]Exceptions

      If the operation would causesize() to exceedmax_size(), throwsstd::length_error.

      If an exception is thrown for any reason, this function has no effect (strong exception safety guarantee).

      [edit]Notes

      Feature-test macroValueStdFeature
      __cpp_lib_containers_ranges202202L(C++23)member functions that acceptcontainer compatible range

      [edit]Example

      Run this code
      #include <cassert>#include <string> int main(){std::string head{"long long"};constauto tail={' ','i','n','t'}; #ifdef __cpp_lib_containers_ranges    head.append_range(tail);#else    head.append(tail.begin(), tail.end());#endif assert(head=="long long int");}

      [edit]See also

      appends characters to the end
      (public member function)[edit]
      Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/string/basic_string/append_range&oldid=161647"

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