Api improvements: ambience-count-[l|g]t-val and Comparator

include/user/deviceAttachmentSpec.h

@@ -6,6 +6,7 @@
 #include <iostream>
 #include <sstream>
 #include <algorithm>
+#include <iterator>
 #include <stdexcept>
 
 namespace smo {
@@ -115,6 +116,25 @@ public:
         }
     }
 
+    /**
+     * @brief Parse an optional integer parameter from a parameter list
+     * @param params The parameter vector to search in
+     * @param paramName The name of the parameter to parse
+     * @param defaultValue The default value to return if no parameter is found
+     * @return The parsed integer value, or defaultValue if none found
+     * @note The lattermost supplied matching param wins if multiple are present
+     */
+    static int parseOptionalParamAsInt(
+		const std::vector<std::pair<std::string,std::string>>& params,
+		const std::string& paramName,
+		int defaultValue
+		)
+    {
+        const std::string paramNames[] = {paramName};
+        return parseOptionalParamAsIntWithSynonyms(
+            params, paramNames, defaultValue);
+    }
+
     /**
      * @brief Parse an optional integer parameter from a parameter list using synonyms
      * @param params The parameter vector to search in
@@ -135,9 +155,9 @@ public:
         {
             const auto& [paramName, paramValue] = *paramIt;
             auto synonymIt = std::find(
-                synonymNames.begin(), synonymNames.end(), paramName);
+                std::begin(synonymNames), std::end(synonymNames), paramName);
 
-			if (synonymIt == synonymNames.end())
+			if (synonymIt == std::end(synonymNames))
 				{ continue; }
 
             try {