// fig15_12.cpp
// Using MyArray with range-based for and with 
// C++ standard library algorithms.
#include <iostream>
#include <iterator>
#include "MyArray.h"

int main() {
   std::ostream_iterator<int> outputInt{std::cout, " "};
   std::ostream_iterator<double> outputDouble{std::cout, " "};
   std::ostream_iterator<std::string> outputString{std::cout, " "};

   std::cout << "Displaying MyArrays with std::ranges::copy, "
      << "which requires input iterators:\n";
   MyArray ints{1, 2, 3, 4, 5, 6, 7, 8};
   std::cout << "ints: ";
   std::ranges::copy(ints, outputInt);

   MyArray doubles{1.1, 2.2, 3.3, 4.4, 5.5};
   std::cout << "\ndoubles: ";
   std::ranges::copy(doubles, outputDouble);

   using namespace std::string_literals; // for string object literals 
   MyArray strings{"red"s, "orange"s, "yellow"s};
   std::cout << "\nstrings: ";
   std::ranges::copy(strings, outputString);

   std::cout << "\n\nDisplaying a MyArray with a range-based for "
      << "statement, which requires input iterators:\n";
   for (const auto& item : doubles) {
      std::cout << item << " ";
   }

   std::cout << "\n\nCopying a MyArray with std::ranges::copy, "
      << "which requires an input range and output iterator:\n";
   MyArray<std::string, strings.size()> strings2{};
   std::ranges::copy(strings, strings2.begin());
   std::cout << "strings2 after copying from strings: ";
   std::ranges::copy(strings2, outputString);

   std::cout << "\n\nFinding min and max elements in a MyArray "
      << "with std::ranges::minmax_element, which requires "
      << "a forward range:\n";
   auto [min, max] {std::ranges::minmax_element(strings)};
   std::cout << "min and max elements of strings are: "
      << *min << ", " << *max;

   std::cout << "\n\nReversing a MyArray with std::ranges::reverse, "
      << "which requires a bidirectional range:\n";
   std::ranges::reverse(ints);
   std::cout << "ints after reversing elements: ";
   std::ranges::copy(ints, outputInt);
   std::cout << "\n";
}


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