std::string

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

"conf" <conf@soft.com> wrote in message
news:TXAUc.220081$OB3.10255@bgtnsc05-
[color=blue]
> How to know if a std::string has empty content or not? Thanks![/color]

bool isempty = string.empty();

or

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

You can also do

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

"conf" <conf@soft.com> wrote in message
news:TXAUc.220081$OB3.10255@bgtnsc05-news.ops.worldnet.att.net...[color=blue]
> How to know if a std::string has empty content or not? Thanks![/color]

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

-Sharad

"Sharad Kala" <no__spam.sharadk_ind@yahoo.com> wrote in message
[color=blue]
> std::string has an empty member function to check for empti-ness.
> if (s.empty())[/color]

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 :).