boost::urls::params_base::buffer Return the referenced character buffer. Synopsis Declared in header <boost/url/params_base.hpp> pct_string_view buffer() const noexcept; Description This function returns the character buffer referenced by the view. The returned string may contain percent escapes. assert( url_view( "?first=John&last=Doe" ).params().buffer() == "?first=John&last=Doe" ); Constant. Throws nothing.