Diff of NSError

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to NSError.

- NSError, OSStatus用のログをつくる
--  http://atmarkplant-dj.blogspot.jp/2013/02/nserror-osstatus.html
 +(BOOL)errorLog:(NSError *)error message:(NSString *)message
 {
     if ( error != nil )
     {
         NSLog(@"%@ : %@", message, [error localizedDescription]);
     }
     return error == nil;
 }
 +(BOOL)statusLog:(OSStatus)status message:(NSString *)message
 {
     if ( status != noErr )
     {
         NSLog(@"Error - %@ %ld", message, status);
     }
     return status == noErr;
 }