Add tag_invoke for identifier

Author: beojan

phlex/configuration.cpp

@@ -80,4 +80,10 @@ namespace phlex {
     auto layer = value_decorate_exception<std::string>(query_object, "layer");
     return product_query{experimental::product_specification::create(product), layer};
   }
+
+  experimental::identifier experimental::tag_invoke(boost::json::value_to_tag<identifier> const&,
+                                                    boost::json::value const& jv)
+  {
+    return identifier{std::string_view(jv.as_string())};
+  }
 }

phlex/configuration.hpp

@@ -3,6 +3,7 @@
 
 #include "boost/json.hpp"
 #include "phlex/core/product_query.hpp"
+#include "phlex/model/identifier.hpp"
 
 #include <optional>
 #include <string>
@@ -90,6 +91,11 @@ namespace phlex {
   product_query tag_invoke(boost::json::value_to_tag<product_query> const&,
                            boost::json::value const& jv);
 
+  namespace experimental {
+    identifier tag_invoke(boost::json::value_to_tag<identifier> const&,
+                          boost::json::value const& jv);
+  }
+
   template <std::size_t N>
   std::array<product_query, N> tag_invoke(
     boost::json::value_to_tag<std::array<product_query, N>> const&, boost::json::value const& jv)