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20 lines
806 B
C#
20 lines
806 B
C#
// Copyright (c) 2025-2026 GeWuYou
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// SPDX-License-Identifier: Apache-2.0
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namespace GFramework.Core.Abstractions.StateManagement;
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/// <summary>
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/// 定义状态选择器接口，用于从整棵状态树中投影出局部状态视图。
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/// 该抽象适用于复用复杂选择逻辑，避免在 UI 或 Controller 中重复编写投影代码。
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/// </summary>
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/// <typeparam name="TState">源状态类型。</typeparam>
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/// <typeparam name="TSelected">投影后的局部状态类型。</typeparam>
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public interface IStateSelector<in TState, out TSelected>
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{
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/// <summary>
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/// 从给定状态中选择目标片段。
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/// </summary>
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/// <param name="state">当前完整状态。</param>
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/// <returns>投影后的局部状态。</returns>
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TSelected Select(TState state);
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} |