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This is the documentation for a snapshot of the develop branch, built from commit d7c8a7cf0d.
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static_url_base::scheme

(Inherited from url_view_base)

Return the scheme.

Synopsis
core::string_view
scheme() const;
Description

This function returns the scheme if it exists, without a trailing colon (':'). Otherwise it returns an empty string. Note that schemes are case-insensitive, and the canonical form is lowercased.

Example
assert( url_view( "http://www.example.com" ).scheme() == "http" );
Exception Safety

Throws nothing.

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

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

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

has_scheme, scheme_id.


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