boost::urls::url_view_base::has_scheme

Return true a scheme is present

Synopsis

Declared in <boost/url/url_view_base.hpp>
bool
has_scheme() const noexcept;

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

Return Value

true if the url contains a scheme.

See Also

scheme, scheme_id.

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