public virtual bool Simulate()

in utilities/Microsoft.Quantum.Katas/KataMagic.cs [161:204]
36 lines of code
7 McCabe index (conditional complexity)

        public virtual bool Simulate(OperationInfo test, OperationInfo userAnswer, IChannel channel)
        {
            var skeletonAnswer = FindSkeletonAnswer(test, userAnswer);
            if (skeletonAnswer == null)
            {
                channel.Stderr($"Invalid task: {userAnswer.FullName}");
                return false;
            }

            try
            {
                var qsim = CreateSimulator();

                qsim.DisableExceptionPrinting();
                qsim.DisableLogToConsole();
                qsim.OnLog += channel.Stdout;

                qsim.OnDisplayableDiagnostic += channel.Display;

                // Register all solutions to previously executed tasks (including the current one)
                foreach (KeyValuePair<OperationInfo, OperationInfo> answer in AllAnswers) {
                    Logger.LogDebug($"Registering {answer.Key.FullName}");
                    qsim.Register(answer.Key.RoslynType, answer.Value.RoslynType, typeof(ICallable));
                }

                var value = test.RunAsync(qsim, null).Result;

                if (qsim is IDisposable dis) { dis.Dispose(); }

                return true;
            }
            catch (AggregateException agg)
            {
                foreach (var e in agg.InnerExceptions) { channel.Stderr(e.Message); }
                channel.Stderr($"Try again!");
                return false;
            }
            catch (Exception e)
            {
                channel.Stderr(e.Message);
                channel.Stderr($"Try again!");
                return false;
            }
        }