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##### url::remove_scheme

Remove the scheme.

###### Synopsis

    url&
    remove_scheme();

###### Description

This function removes the scheme if it is present.

###### Example

    assert( url( "http://www.example.com/index.htm" ).remove_scheme().buffer() == "//www.example.com/index.htm" );

###### Postconditions

    this->has_scheme() == false && this->scheme_id() == scheme::none

###### Complexity

Linear in `this->size()`.

###### Exception Safety

Throws nothing.

###### BNF

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

###### Specification

- 3.1. Scheme (rfc3986)

###### See Also

/root/project/libs/url/include/boost/url/url.hpp