boost::urls::url_base::set_scheme_id

Set the scheme

Synopsis

Declared in <include/boost/url/url_base.hpp>

url_base&
set_scheme_id(urls::scheme id);

Description

This function sets the scheme to the specified known urls::scheme id, which may not be scheme::unknown or else an exception is thrown. If the id is scheme::none, this function behaves as if remove_scheme were called.

assert( url( "http://example.com/echo.cgi" ).set_scheme_id( scheme::wss ).buffer() == "wss://example.com/echo.cgi" );

Complexity

Linear in this‐>size().

Exception Safety

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

Exceptions

Name Thrown on

system_error

The scheme is invalid.

Parameters

Name Description

id

The scheme to set.

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