Return true if the url is empty
Synopsis
Declared in header <boost/url/url_view_base.hpp>
bool
empty() const noexcept;
Description
The empty string matches the relative-ref grammar.
Example
assert( url_view( "" ).empty() );
Complexity
Constant.
Exception Safety
Throws nothing.
BNF
relative-ref = relative-part [ "?" query ] [ "#" fragment ]
relative-part = "//" authority path-abempty
/ path-absolute
/ path-noscheme
/ path-empty