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RefLocalsAndReturns.cs
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RefLocalsAndReturns.cs
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using System;
namespace ICSharpCode.Decompiler.Tests.TestCases.Pretty
{
internal class RefLocalsAndReturns
{
public delegate ref T RefFunc<T>();
public delegate ref readonly T ReadOnlyRefFunc<T>();
public ref struct RefStruct
{
private int dummy;
}
public readonly ref struct ReadOnlyRefStruct
{
private readonly int dummy;
}
public struct NormalStruct
{
private readonly int dummy;
public void Method()
{
}
}
public readonly struct ReadOnlyStruct
{
private readonly int dummy;
public void Method()
{
}
}
public static ref T GetRef<T>()
{
throw new NotImplementedException();
}
public static ref readonly T GetReadonlyRef<T>()
{
throw new NotImplementedException();
}
public void CallOnRefReturn()
{
// Both direct calls:
GetRef<NormalStruct>().Method();
GetRef<ReadOnlyStruct>().Method();
// call on a copy, not the original ref:
NormalStruct @ref = GetRef<NormalStruct>();
@ref.Method();
ReadOnlyStruct ref2 = GetRef<ReadOnlyStruct>();
ref2.Method();
}
public void CallOnReadOnlyRefReturn()
{
// uses implicit temporary:
GetReadonlyRef<NormalStruct>().Method();
// direct call:
GetReadonlyRef<ReadOnlyStruct>().Method();
// call on a copy, not the original ref:
ReadOnlyStruct readonlyRef = GetReadonlyRef<ReadOnlyStruct>();
readonlyRef.Method();
}
public void CallOnInParam(in NormalStruct ns, in ReadOnlyStruct rs)
{
// uses implicit temporary:
ns.Method();
// direct call:
rs.Method();
// call on a copy, not the original ref:
ReadOnlyStruct readOnlyStruct = rs;
readOnlyStruct.Method();
}
}
}