Boost.URL boost::urls::param_pct_view::operator param home boost::urls::param_pct_view::operator param Conversion Synopsis Declared in header <boost/url/param.hpp> explicit operator param() const; Description This function performs a conversion from a reference-like query parameter to one retaining ownership of the strings by making a copy. Complexity Linear in this->key.size() + this->value.size(). Exception Safety Calls to allocate may throw.