diff --git a/include/chaiscript/dispatchkit/dispatchkit.hpp b/include/chaiscript/dispatchkit/dispatchkit.hpp
index 5e9e4de..cb4233d 100644
--- a/include/chaiscript/dispatchkit/dispatchkit.hpp
+++ b/include/chaiscript/dispatchkit/dispatchkit.hpp
@@ -1007,14 +1007,6 @@ namespace chaiscript
 
         static bool function_less_than(const Proxy_Function &lhs, const Proxy_Function &rhs)
         {
-          const auto &lhsparamtypes = lhs->get_param_types();
-          const auto &rhsparamtypes = rhs->get_param_types();
-
-          const auto lhssize = lhsparamtypes.size();
-          const auto rhssize = rhsparamtypes.size();
-
-          CHAISCRIPT_CONSTEXPR auto boxed_type = user_type<Boxed_Value>();
-          CHAISCRIPT_CONSTEXPR auto boxed_pod_type = user_type<Boxed_Number>();
 
           auto dynamic_lhs(std::dynamic_pointer_cast<const dispatch::Dynamic_Proxy_Function>(lhs));
           auto dynamic_rhs(std::dynamic_pointer_cast<const dispatch::Dynamic_Proxy_Function>(rhs));
@@ -1044,6 +1036,14 @@ namespace chaiscript
             return true;
           }
 
+          const auto &lhsparamtypes = lhs->get_param_types();
+          const auto &rhsparamtypes = rhs->get_param_types();
+
+          const auto lhssize = lhsparamtypes.size();
+          const auto rhssize = rhsparamtypes.size();
+
+          CHAISCRIPT_CONSTEXPR auto boxed_type = user_type<Boxed_Value>();
+          CHAISCRIPT_CONSTEXPR auto boxed_pod_type = user_type<Boxed_Number>();
 
           for (size_t i = 1; i < lhssize && i < rhssize; ++i)
           {
diff --git a/include/chaiscript/dispatchkit/proxy_functions.hpp b/include/chaiscript/dispatchkit/proxy_functions.hpp
index d03c33d..e65b203 100644
--- a/include/chaiscript/dispatchkit/proxy_functions.hpp
+++ b/include/chaiscript/dispatchkit/proxy_functions.hpp
@@ -529,12 +529,7 @@ namespace chaiscript
 
         virtual bool call_match(const std::vector<Boxed_Value> &vals, const Type_Conversions &t_conversions) const CHAISCRIPT_OVERRIDE
         {
-          if (static_cast<int>(vals.size()) != get_arity()) 
-          {
-            return false;
-          }
-
-          return compare_types(m_types, vals) || compare_types_with_cast(vals, t_conversions);
+          return static_cast<int>(vals.size()) == get_arity() && (compare_types(m_types, vals) || compare_types_with_cast(vals, t_conversions));
         }
 
         virtual bool compare_types_with_cast(const std::vector<Boxed_Value> &vals, const Type_Conversions &t_conversions) const = 0;
diff --git a/include/chaiscript/language/chaiscript_common.hpp b/include/chaiscript/language/chaiscript_common.hpp
index 9195fb2..82f3a52 100644
--- a/include/chaiscript/language/chaiscript_common.hpp
+++ b/include/chaiscript/language/chaiscript_common.hpp
@@ -499,7 +499,7 @@ namespace chaiscript
       struct Return_Value {
         Boxed_Value retval;
 
-        Return_Value(const Boxed_Value &t_return_value) : retval(t_return_value) { }
+        Return_Value(Boxed_Value t_return_value) : retval(std::move(t_return_value)) { }
       };
 
 
diff --git a/include/chaiscript/language/chaiscript_eval.hpp b/include/chaiscript/language/chaiscript_eval.hpp
index 06f2b13..0f7f63a 100644
--- a/include/chaiscript/language/chaiscript_eval.hpp
+++ b/include/chaiscript/language/chaiscript_eval.hpp
@@ -61,7 +61,7 @@ namespace chaiscript
         try {
           return t_node->eval(t_ss);
         } catch (detail::Return_Value &rv) {
-          return rv.retval;
+          return std::move(rv.retval);
         } 
       }
     }
@@ -707,13 +707,14 @@ namespace chaiscript
 
               fpp.save_params(params);
 
-              std::string fun_name;
-              if ((this->children[i]->identifier == AST_Node_Type::Fun_Call) || (this->children[i]->identifier == AST_Node_Type::Array_Call)) {
-                fun_name = this->children[i]->children[0]->text;
-              }
-              else {
-                fun_name = this->children[i]->text;
-              }
+              std::string fun_name = [&](){
+                if ((this->children[i]->identifier == AST_Node_Type::Fun_Call) || (this->children[i]->identifier == AST_Node_Type::Array_Call)) {
+                  return this->children[i]->children[0]->text;
+                }
+                else {
+                  return this->children[i]->text;
+                }
+              }();
 
               try {
                 chaiscript::eval::detail::Stack_Push_Pop spp(t_ss);
@@ -728,7 +729,7 @@ namespace chaiscript
                 }
               }
               catch(detail::Return_Value &rv) {
-                retval = rv.retval;
+                retval = std::move(rv.retval);
               }
 
               if (this->children[i]->identifier == AST_Node_Type::Array_Call) {
@@ -1171,14 +1172,11 @@ namespace chaiscript
           AST_Node(std::move(t_ast_node_text), AST_Node_Type::File, t_fname, t_start_line, t_start_col, t_end_line, t_end_col) { }
         virtual ~File_AST_Node() {}
         virtual Boxed_Value eval_internal(chaiscript::detail::Dispatch_Engine &t_ss) const CHAISCRIPT_OVERRIDE {
-          const size_t size = this->children.size(); 
-          for (size_t i = 0; i < size; ++i) {
-            Boxed_Value retval(this->children[i]->eval(t_ss));
-            if (i + 1 == size) {
-              return retval;
-            }
+          const auto num_children = children.size();
+          for (size_t i = 0; i < num_children-1; ++i) {
+            children[i]->eval(t_ss);
           }
-          return Boxed_Value();
+          return children.back()->eval(t_ss);
         }
     };
 
diff --git a/include/chaiscript/language/chaiscript_parser.hpp b/include/chaiscript/language/chaiscript_parser.hpp
index e16c452..73a33e2 100644
--- a/include/chaiscript/language/chaiscript_parser.hpp
+++ b/include/chaiscript/language/chaiscript_parser.hpp
@@ -1118,8 +1118,8 @@ namespace chaiscript
           const auto prev_col = m_col;
           const auto prev_line = m_line;
           if (Char_(t_c)) {
-            std::string match(start, m_input_pos);
-            m_match_stack.push_back(std::make_shared<eval::Char_AST_Node>(std::move(match), m_filename, prev_line, prev_col, m_line, m_col));
+            m_match_stack.push_back(
+                std::make_shared<eval::Char_AST_Node>(std::string(start, m_input_pos), m_filename, prev_line, prev_col, m_line, m_col));
             return true;
           } else {
             return false;
@@ -1163,8 +1163,8 @@ namespace chaiscript
         }
 
         if ( t_capture && retval ) {
-          std::string match(start, m_input_pos);
-          m_match_stack.push_back(std::make_shared<eval::Str_AST_Node>(std::move(match), m_filename, prev_line, prev_col, m_line, m_col));
+          m_match_stack.push_back(std::make_shared<eval::Str_AST_Node>(
+                std::string(start, m_input_pos), m_filename, prev_line, prev_col, m_line, m_col));
         }
         return retval;
       }
@@ -1206,8 +1206,8 @@ namespace chaiscript
         }
 
         if ( t_capture && retval ) {
-          std::string match(start, m_input_pos);
-          m_match_stack.push_back(std::make_shared<eval::Str_AST_Node>(std::move(match), m_filename, prev_line, prev_col, m_line, m_col));
+          m_match_stack.push_back(std::make_shared<eval::Str_AST_Node>(
+                std::string(start, m_input_pos), m_filename, prev_line, prev_col, m_line, m_col));
         }
 
         return retval;
@@ -1239,8 +1239,8 @@ namespace chaiscript
           const auto prev_col = m_col;
           const auto prev_line = m_line;
           if (Eol_()) {
-            std::string match(start, m_input_pos);
-            m_match_stack.push_back(std::make_shared<eval::Eol_AST_Node>(std::move(match), m_filename, prev_line, prev_col, m_line, m_col));
+            m_match_stack.push_back(std::make_shared<eval::Eol_AST_Node>(
+                  std::string(start, m_input_pos), m_filename, prev_line, prev_col, m_line, m_col));
             return true;
           } else {
             return false;