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// Copyright (c) Microsoft. All Rights Reserved. Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
namespace ICSharpCode.NRefactory6.CSharp
{
// struct with two values
struct ValueTuple<T1, T2> : IEquatable<ValueTuple<T1, T2>>
{
private static readonly EqualityComparer<T1> s_comparer1 = EqualityComparer<T1>.Default;
private static readonly EqualityComparer<T2> s_comparer2 = EqualityComparer<T2>.Default;
public readonly T1 Item1;
public readonly T2 Item2;
public ValueTuple(T1 item1, T2 item2)
{
this.Item1 = item1;
this.Item2 = item2;
}
public bool Equals(ValueTuple<T1, T2> other)
{
return s_comparer1.Equals(this.Item1, other.Item1)
&& s_comparer2.Equals(this.Item2, other.Item2);
}
public override bool Equals(object obj)
{
if (obj is ValueTuple<T1, T2>)
{
var other = (ValueTuple<T1, T2>)obj;
return this.Equals(other);
}
return false;
}
public override int GetHashCode()
{
return Hash.Combine(s_comparer1.GetHashCode(Item1), s_comparer2.GetHashCode(Item2));
}
public static bool operator ==(ValueTuple<T1, T2> left, ValueTuple<T1, T2> right)
{
return left.Equals(right);
}
public static bool operator !=(ValueTuple<T1, T2> left, ValueTuple<T1, T2> right)
{
return !left.Equals(right);
}
}
}
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