has_scheme

Return true a scheme is present

Synopsis


                bool
has_scheme() noexcept;

Declared in file <src/url_view_base.cpp> at line 105

Description

This function returns true if this contains a scheme.

Example


assert( url_view( "http://www.example.com" ).has_scheme() );

Complexity

Constant.

Exception Safety

Throws nothing.

BNF


URI             = scheme ":" hier-part [ "?" query ] [ "#" fragment ]

absolute-URI    = scheme ":" hier-part [ "?" query ]

scheme          = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )

Specification

3.1. Scheme (rfc3986)