37 lines
1.0 KiB
C#
37 lines
1.0 KiB
C#
using System;
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namespace RebootKit.Engine.Foundation {
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public readonly struct Either<TLeft, TRight> {
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public TLeft Left { get; }
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public TRight Right { get; }
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public bool IsRight { get; }
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public bool IsLeft => !IsRight;
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Either(TLeft left, TRight right, bool isRight) {
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Left = left;
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Right = right;
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IsRight = isRight;
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}
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public void Match(Action<TLeft> leftAction, Action<TRight> rightAction) {
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if (IsRight) {
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rightAction(Right);
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} else {
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leftAction(Left);
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}
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}
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public static Either<TLeft, TRight> FromLeft(TLeft value) {
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return new Either<TLeft, TRight>(value, default, false);
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}
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public static Either<TLeft, TRight> FromRight(TRight value) {
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return new Either<TLeft, TRight>(default, value, true);
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}
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public override string ToString() {
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return IsRight ? $"Right({Right})" : $"Left({Left})";
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}
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}
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} |