58 lines
1.3 KiB
C#
58 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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namespace OpenRa.FileFormats
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{
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public struct Pair<T, U>
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{
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public T First;
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public U Second;
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public Pair(T first, U second)
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{
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First = first;
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Second = second;
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}
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static IEqualityComparer<T> tc = EqualityComparer<T>.Default;
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static IEqualityComparer<U> uc = EqualityComparer<U>.Default;
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public static bool operator ==(Pair<T, U> a, Pair<T, U> b)
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{
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return tc.Equals(a.First, b.First) && uc.Equals(a.Second, b.Second);
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}
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public static bool operator !=(Pair<T, U> a, Pair<T, U> b)
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{
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return !(a == b);
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}
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public override bool Equals(object obj)
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{
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if (!(obj is Pair<T, U>))
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return false;
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return (Pair<T, U>)obj == this;
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}
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public override int GetHashCode()
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{
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return First.GetHashCode() ^ Second.GetHashCode();
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}
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public Pair<T, U> WithFirst(T t) { return new Pair<T, U>(t, Second); }
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public Pair<T, U> WithSecond(U u) { return new Pair<T, U>(First, u); }
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public static T AsFirst(Pair<T, U> p) { return p.First; }
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public static U AsSecond(Pair<T, U> p) { return p.Second; }
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public Pair<U, T> Swap() { return Pair.New(Second, First); }
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}
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public static class Pair
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{
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public static Pair<T, U> New<T, U>(T t, U u) { return new Pair<T, U>(t, u); }
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}
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}
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