Add namespace Bk

bakara/src/bakara/core/string_fmt.h

@@ -5,18 +5,17 @@
 #include <exception>
 #include <algorithm>
 #include <cctype>
-
+namespace Bk {
-// base case of recursion, no more arguments
+    void format_impl(std::stringstream& ss, const char* format) { 
-void format_impl(std::stringstream& ss, const char* format) { 
         while (*format) {
             if (*format == '%' && *++format != '%') // %% == % (not a format directive)
                 throw std::invalid_argument("not enough arguments !\n");
             ss << *format++;
         }
-}
+    }
 
-template <typename Arg, typename... Args>
+    template <typename Arg, typename... Args>
-void format_impl(std::stringstream& ss, const char* format, Arg arg, Args... args) {
+    void format_impl(std::stringstream& ss, const char* format, Arg arg, Args... args) {
         while (*format) {
             if (*format == '%' && *++format != '%') {
                 auto current_format_qualifier = *format;
@@ -45,11 +44,12 @@ void format_impl(std::stringstream& ss, const char* format, Arg arg, Args... arg
             ss << *format++;
             } // the format string is exhausted and we still have args : throw
         throw std::invalid_argument("Too many arguments\n");
-}
+    }
 
-template <typename... Args>
+    template <typename... Args>
-std::string format(const char* fmt, Args... args) {
+    std::string format(const char* fmt, Args... args) {
         std::stringstream ss;
         format_impl(ss, fmt, args...);
         return ss.str();
+    }
 }