Simplified API.

README.md

@@ -103,10 +103,9 @@ struct SemanticValues : protected std::vector<SemanticValue>
     // Get token
     std::string str() const;
 
-    // Transform the semantice values vector to another vector
-    template <typename F> auto transform(size_t beg, size_t end, F f) const -> vector<typename std::remove_const<decltype(f(SemanticValue()))>::type>;
-    template <typename F> auto transform(F f) const -> vector<typename std::remove_const<decltype(f(SemanticValue()))>::type>;
-    template <typename T> auto transform(size_t beg = 0, size_t end = -1) const -> vector<T>;
+    // Transform the semantice value vector to another vector
+    template <typename T>
+    vector<T> transform(size_t beg = 0, size_t end = -1) const;
 }
 ```
 

peglib.h

@@ -209,6 +209,12 @@ struct SemanticValues : protected std::vector<SemanticValue>
         return std::string(s, n);
     }
 
+    template <typename T>
+    auto transform(size_t beg = 0, size_t end = -1) const -> vector<T> {
+        return this->transform(beg, end, [](const SemanticValue& v) { return v.get<T>(); });
+    }
+
+private:
     template <typename F>
     auto transform(F f) const -> vector<typename std::remove_const<decltype(f(SemanticValue()))>::type> {
         vector<typename std::remove_const<decltype(f(SemanticValue()))>::type> r;
@@ -227,11 +233,6 @@ struct SemanticValues : protected std::vector<SemanticValue>
         }
         return r;
     }
-
-    template <typename T>
-    auto transform(size_t beg = 0, size_t end = -1) const -> vector<T> {
-        return this->transform(beg, end, [](const SemanticValue& v) { return v.get<T>(); });
-    }
 };
 
 /*