Set the scheme

Synopsis

Declared in <boost/url/static_url.hpp>

static_url&
set_scheme(core::string_view s);

Description

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.

Example

assert( url( "http://www.example.com" ).set_scheme( "https" ).scheme_id() == scheme::https );

Complexity

Linear in this‐>size() + s.size().

Exception Safety

Strong guarantee. Calls to allocate may throw. Exceptions thrown on invalid input.

BNF

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

Specification

Return Value

*this

Parameters

Name

Description

s

The scheme to set.

See Also

remove_scheme.

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