Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.
PrevUpHomeNext
string::empty

Check if the string has no characters.

Synopsis
bool
empty() const;
Description

Returns true if there are no characters in the string, i.e. size() returns 0.

Complexity

Constant.


PrevUpHomeNext