Some quality of life utilities for C++
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enter_and_exit(): A nice command to exit console based programs. The program will print "Press Enter to exit".
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std::string insert_commas(double): Insert commas in the real part of a double number.
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a) bool is_int(const std::string): Will check if input is a number.
b)bool is_double(const std::string): Will check if input is a double.
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a) get_int(int&): Get integer user input with validation.
b) get_double(double&): Get double user input with validation.