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29 lines
860 B
Plaintext
29 lines
860 B
Plaintext
// ### Functions
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// a simple function
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void functionName() {}
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// function with parameters of integers
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void functionName(int param1, int param2) {}
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// return type declaration
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int functionName() {
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return 420;
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}
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// Return multiple values at once
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// (C++ uses pairs [ 2 values ] and tuple [ more than 2 values ])
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// Please refer pairs and tuple respectively for more information
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std::tuple<double, double> functionName() {
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return std::make_tuple( double1, double2 );
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}
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pair<double,double> result = functionName();
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std::cout << result.first << std::endl;
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std::cout << result.second << std::endl;
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// Pass by reference (the caller and the callee use the same variable for the parameter)
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int functionName(int &referenceName) {}
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// Pass by value (the caller and callee have two independent variables with the same value)
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int functionName(int valueName) {}
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