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string != oprator

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when I use string name; name != "" vc tell me c2678 error but I google it and string offer the != why I can not use it ??

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BTW if I want to detect if it == "" ,could I use:

name.size()==0 or name.emtpy()
??

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Odds are you forgot to #include <string>

And yes, you could use name.empty();

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Quote:
Original post by xDS4Lx
Use the length member function of the string class.


if(name.lenth()==0)


what is different between length() and size()?

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