bool convert(type const& t, json& j) {
json::object o;
o["name"] = t.name();
o["kind"] = to_string(which(t));
if (!visit(jsonizer{o["structure"]}, t))
return false;
json::array a;
std::transform(t.attributes().begin(),
t.attributes().end(),
std::back_inserter(a),
[](auto& x) { return to_json(x); });
o["attributes"] = std::move(a);
j = std::move(o);
return true;
}
