FormatQueuedTaskMessage.cs

using BenchmarkDotNet.Attributes;

namespace ConsoleApp3
{
	[MemoryDiagnoser]
	public class FormatQueuedTaskMessage
	{
		[Benchmark]
		[Arguments(3)]
		[Arguments(4)]
		public string UseSwitch(int delayLoop) =>
			delayLoop switch
			{
				3 => "Queued Background Task {Guid} is complete.",
				_ => "Queued Background Task {Guid} was cancelled."
			};

		[Benchmark]
		[Arguments(3)]
		[Arguments(4)]
		public string UseTernary(int delayLoop) =>
			delayLoop == 3 ? "Queued Background Task {Guid} is complete." :
				"Queued Background Task {Guid} was cancelled.";

		[Benchmark]
		[Arguments(3)]
		[Arguments(4)]
		public string UseTernaryInInterpolatedString(int delayLoop) =>
			$"Queued Background Task {{Guid}} {(delayLoop == 3 ? "is complete" : "was cancelled")}.";
	}
}