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std::string

 
 
conf
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      08-18-2004
How to know if a std::string has empty content or not? Thanks!


 
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Siemel Naran
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      08-18-2004
"conf" <> wrote in message
news:TXAUc.220081$OB3.10255@bgtnsc05-

> How to know if a std::string has empty content or not? Thanks!


bool isempty = string.empty();

or

if (string.empty()) {
...
}

You can also do

if (string.size()) {
...
}


 
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Sharad Kala
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      08-18-2004

"conf" <> wrote in message
news:TXAUc.220081$...
> How to know if a std::string has empty content or not? Thanks!


std::string has an empty member function to check for empti-ness.
if (s.empty())
{
//...
}

-Sharad


 
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Siemel Naran
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      08-18-2004
"Sharad Kala" <> wrote in message

> std::string has an empty member function to check for empti-ness.
> if (s.empty())


I was thinking, the name is a bit unfortunate. It's a verb, so indicates
that it will empty out 's'. I think s.isempty() would have been nicer .


 
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