50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
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// fig13_05.cpp
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// Standard library deque class template.
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#include <algorithm> // copy algorithm
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#include <deque> // deque class-template definition
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#include <iostream>
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#include <iterator> // ostream_iterator
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int main() {
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std::deque<double> values; // create deque of doubles
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std::ostream_iterator<double> output{std::cout, " "};
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// insert elements in values
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values.push_front(2.2);
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values.push_front(3.5);
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values.push_back(1.1);
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std::cout << "values contains: ";
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// use subscript operator to obtain elements of values
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for (size_t i{0}; i < values.size(); ++i) {
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std::cout << values[i] << ' ';
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}
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values.pop_front(); // remove first element
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std::cout << "\nAfter pop_front, values contains: ";
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std::ranges::copy(values, output);
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// use subscript operator to modify element at location 1
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values[1] = 5.4;
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std::cout << "\nAfter values[1] = 5.4, values contains: ";
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std::ranges::copy(values, output);
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std::cout << "\n";
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}
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/**************************************************************************
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* (C) Copyright 1992-2022 by Deitel & Associates, Inc. and *
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* Pearson Education, Inc. All Rights Reserved. *
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* *
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* DISCLAIMER: The authors and publisher of this book have used their *
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* best efforts in preparing the book. These efforts include the *
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* development, research, and testing of the theories and programs *
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* to determine their effectiveness. The authors and publisher make *
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* no warranty of any kind, expressed or implied, with regard to these *
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* programs or to the documentation contained in these books. The authors *
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* and publisher shall not be liable in any event for incidental or *
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* consequential damages in connection with, or arising out of, the *
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* furnishing, performance, or use of these programs. *
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**************************************************************************/
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