Return true if an authority is present
Synopsis
Declared in header <boost/url/url_view_base.hpp>
bool
has_authority() const noexcept;Description
This function returns true if the url contains an authority. The presence of an authority is denoted by a double slash ("//") at the beginning or after the scheme.
Example
assert( url_view( "http://www.example.com/index.htm" ).has_authority() );Complexity
Constant.
Exception Safety
Throws nothing.
BNF
authority = [ userinfo "@" ] host [ ":" port ]
URI = scheme ":" hier-part [ "?" query ] [ "#" fragment ]
absolute-URI = scheme ":" hier-part [ "?" query ]
URI-reference = URI / relative-ref
relative-ref = relative-part [ "?" query ] [ "#" fragment ]
hier-part = "//" authority path-abempty
; (more...)
relative-part = "//" authority path-abempty
; (more...)