46 lines
1.8 KiB
C++
46 lines
1.8 KiB
C++
// fig08_13.cpp
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// Demonstrating input from an istringstream object.
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#include <fmt/format.h>
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#include <iostream>
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#include <sstream>
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#include <string>
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int main() {
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const std::string inputString{"Amanda test 123 4.7 A"};
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std::istringstream input{inputString};
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std::string s1;
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std::string s2;
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int i;
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double d;
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char c;
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input >> s1 >> s2 >> i >> d >> c;
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std::cout << "Items extracted from the istringstream object:\n"
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<< fmt::format("{}\n{}\n{}\n{}\n{}\n", s1, s2, i, d, c);
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// attempt to read from empty stream
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if (long value; input >> value) {
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std::cout << fmt::format("\nlong value is: {}\n", value);
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}
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else {
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std::cout << fmt::format("\ninput is empty\n");
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}
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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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