--- a/doodle/core/logging.d	Wed Aug 04 16:36:07 2010 +0930
+++ b/doodle/core/logging.d	Wed Aug 04 16:36:32 2010 +0930
@@ -31,7 +31,7 @@
     mixin(defineEnum!("Severity",
                       "TRACE", "INFO", "MESSAGE", "WARNING", "ERROR", "FATAL"));
 
-    string mod_string(in Severity s) {
+    string severityString(in Severity s) {
         switch (s) {
         case Severity.TRACE:
             return modifierString(Modifier.DIM) ~ fgColorString(Color.CYAN);
@@ -52,7 +52,7 @@
     }
 
     void log(in Severity severity, in string message) {
-        write(mod_string(severity));
+        write(severityString(severity));
         write(message);
         writeln(modifierString(Modifier.RESET));
     }
@@ -78,11 +78,11 @@
         WHITE   = 7
     }
 
-    string modifierString(Modifier m) { return std.string.format("\033[%dm", 0 + m); }
-    string fgColorString(Color c)    { return std.string.format("\033[%dm", 30 + c); }
-    string bgColorString(Color c)    { return std.string.format("\033[%dm", 40 + c); }
+    string modifierString(in Modifier m) { return std.string.format("\033[%dm", 0 + m); }
+    string fgColorString(in Color c)     { return std.string.format("\033[%dm", 30 + c); }
+    string bgColorString(in Color c)     { return std.string.format("\033[%dm", 40 + c); }
 
-    private const(char)[] right(in char[] str, int n) {
+    private string right(in string str, in int n) {
         int pos = str.length < n ? 0 : str.length - n;
         return str[pos..$];
     }