StepHere.cs

        /// <summary>
        /// Does a Step with the location of caller as the label.
        /// </summary>
        public static IDisposable StepHere(
            this MiniProfiler profiler,
            [CallerMemberName] string memberName = "",
            [CallerFilePath] string sourceFilePath = "",
            [CallerLineNumber] int sourceLineNumber = 0) => 
            profiler?.Step($"{memberName} - {Path.GetFileName(sourceFilePath)}:{sourceLineNumber.ToString()}");