private static bool ShouldShowFrame()

in src/Microsoft.Azure.WebJobs.Host/Diagnostics/ExceptionFormatter.cs [116:178]
54 lines of code
10 McCabe index (conditional complexity)

        private static bool ShouldShowFrame(Type declaringType) =>
            !(declaringType != null && typeof(INotifyCompletion).IsAssignableFrom(declaringType));

        private static void FormatFrame(StringBuilder stringBuilder, StackFrame frame)
        {
            var method = frame.GetMethod();
            var declaringType = method?.DeclaringType;
            
            if (!ShouldShowFrame(declaringType))
            {
                return;
            }

            stringBuilder.AppendLine();

            stringBuilder.Append("   at ");
            bool isAsync;
            FormatMethodName(stringBuilder, declaringType, out isAsync);
            if (!isAsync)
            {
                stringBuilder.Append(method?.Name);
                var methodInfo = method as MethodInfo;
                if (methodInfo?.IsGenericMethod == true)
                {
                    FormatGenericArguments(stringBuilder, methodInfo.GetGenericArguments());
                }
            }
            else if (declaringType?.IsGenericType == true)
            {
                FormatGenericArguments(stringBuilder, declaringType.GetGenericArguments());
            }

            stringBuilder.Append("(");
            if (isAsync)
            {
                // Best effort
                string methodFromType = GetMethodFromAsyncStateMachineType(declaringType);
                List<MethodInfo> methods = null;
                if (methodFromType != null)
                {
                    methods = declaringType?.DeclaringType.GetMethods((BindingFlags)int.MaxValue)
                        .Where(m => string.Equals(m.Name, methodFromType))
                        .ToList();
                }

                if (methods != null && methods.Count == 1)
                {
                    FormatParameters(stringBuilder, methods.First());
                }
                else
                {
                    stringBuilder.Append("??");
                }
            }
            else
            {
                FormatParameters(stringBuilder, method);
            }

            stringBuilder.Append(")");

            FormatFileName(stringBuilder, frame);
        }