ILSpy/ICSharpCode.Decompiler.Tests/TestCases/Pretty/OutVariables.cs

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// 
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using System;
using System.Collections.Generic;

namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
{
	public class OutVariables
	{
		public static void OutVarInShortCircuit(Dictionary<int, string> d)
		{
			if (d.Count > 2 && d.TryGetValue(42, out var value))
			{
				Console.WriteLine(value);
			}
		}

		public static Action CapturedOutVarInShortCircuit(Dictionary<int, string> d)
		{
			// Note: needs reasoning about "definitely assigned if true"
			// to ensure that the value is initialized when the delegate is declared.
			if (d.Count > 2 && d.TryGetValue(42, out var value))
			{
				return delegate {
					Console.WriteLine(value);
				};
			}
			return null;
		}

		private bool TryGet<T>(out T result)
		{
			result = default(T);
			return true;
		}

		public void M3()
		{
			TryGet<Dictionary<int, (int, string)>>(out Dictionary<int, (int A, string B)> data);

			Test();

			int Test()
			{
				return data[0].A;
			}
		}

		public void GetObject(out object obj)
		{
			obj = null;
		}

		public void M4()
		{
			GetObject(out dynamic obj);
			obj.Method();
		}
	}
}