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c++ Programming Glossary: s.emptyInputting elements of unknown type into a vector http://stackoverflow.com/questions/10969040/inputting-elements-of-unknown-type-into-a-vector the Parse method static bool isInt std string const s if s.empty return false The first character may be among digits and ' '.. a double too static bool maybeDouble std string const s if s.empty return false The first character may be among digits '.' and..
What constitutes a valid state for a “moved from” object in C++11? http://stackoverflow.com/questions/12095048/what-constitutes-a-valid-state-for-a-moved-from-object-in-c11 are met. std string s foo std string t std move s if s.empty empty has no preconditions so it's safe to call on moved from..
How to calculate boolean expression in Spirit http://stackoverflow.com/questions/12598029/how-to-calculate-boolean-expression-in-spirit values_.top int main for cout string s getline cin s if s.empty break calculator calc if calc.interpret s cout calc.val endl..
How do I check if a C++ string is an int? http://stackoverflow.com/questions/2844817/how-do-i-check-if-a-c-string-is-an-int its complexity inline bool isInteger const std string s if s.empty isdigit s 0 s 0 ' ' s 0 ' ' return false char p strtol s.c_str..
How to determine if a string is a number with C++? http://stackoverflow.com/questions/4654636/how-to-determine-if-a-string-is-a-number-with-c it s.begin while it s.end std isdigit it it return s.empty it s.end Or if you want to do it the C 11 way bool is_number.. it the C 11 way bool is_number const std string s return s.empty std find_if s.begin s.end char c return std isdigit c s.end..
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