empty

Return true if the url is empty

Synopsis

bool empty() noexcept;

Declared in file <boost/url/url_view_base.hpp> at line 201

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

Specification

  • 4.2. Relative Reference (rfc3986)