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Set the scheme.
url_base& set_scheme( string_view s);
The scheme is set to the specified string, which must contain a valid scheme without any trailing colon (':'). Note that schemes are case-insensitive, and the canonical form is lowercased.
assert( url( "http://www.example.com" ).set_scheme( "https" ).scheme_id() == scheme::https );
Linear in this->size() + s.size()
.
Strong guarantee. Calls to allocate may throw. Exceptions thrown on invalid input.
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The scheme to set. |
scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )