:relfileprefix: ../../../ [#boost-urls-url_view_base-params-05] = xref:boost.adoc[pass:[boost]]::xref:boost/urls.adoc[pass:[urls]]::xref:boost/urls/url_view_base.adoc[pass:[url_view_base]]::params == Synopsis Declared in header `` [source,cpp,subs="verbatim,macros,-callouts"] ---- xref:boost/urls/params_view.adoc[params_view] params(xref:boost/urls/encoding_opts.adoc[encoding_opts] opt) const noexcept; ----