Revert "tweak"

This reverts commit b77be0e.

dump.hpp

@@ -219,7 +219,7 @@ void cpp_dump_macro(
   std::string log_label =
       log_label_func ? log_label_func(loc.file_name, loc.line, loc.function_name) : "";
 
-  std::string output;
+  std::string output = "";
   if (!_dump(output, log_label, true, exprs, args...)) {
     output = "";
     _dump(output, log_label, false, exprs, args...);

hpp/escape_sequence.hpp

@@ -22,7 +22,7 @@ namespace es {
 
 inline std::string apply(const std::string &es, const std::string &s) {
   if (use_es()) {
-    auto reset = "\x1b[0m";
+    const std::string reset = "\x1b[0m";
     return reset + es + s + reset;
   } else {
     return s;

hpp/export_var/export_arithmetic.hpp

@@ -25,7 +25,7 @@ export_arithmetic(bool value, const std::string &, std::size_t, std::size_t, boo
 
 inline std::string
 export_arithmetic(char value, const std::string &, std::size_t, std::size_t, bool, const export_command &) {
-  return es::character("'" + std::string({value}) + "'");
+  return es::character("'" + std::string{value} + "'");
 }
 
 template <typename T>

hpp/options.hpp

@@ -15,7 +15,7 @@ namespace cpp_dump {
  * Set a value to a variable in cpp_dump namespace.
  * You can also assign values to the variables directly.
  */
-#define CPP_DUMP_SET_OPTION(variable, value) cpp_dump::variable = (value)
+#define CPP_DUMP_SET_OPTION(variable, value) cpp_dump::variable = value
 
 /**
  * Type of cpp_dump::es_style.