27 lines
844 B
TypeScript
27 lines
844 B
TypeScript
/**
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* @file To get graph essencial information.
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* @file.zh-CN 获取图的基本信息
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* @module essence
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*/
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import Graph from '../Graph';
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/**
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* @description Check if the object is a graph.
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* @description.zh-CN 检查对象是否为图。
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*/
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export declare function isGraph(obj: any): boolean;
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/**
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* @description Check if the graph is a simple graph.
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* @description.zh-CN 检查图是否为简单图。
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*/
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export declare function isSimpleGraph(graph: Graph<any, any, any, any>): boolean;
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/**
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* @description Check if the graph is a null graph.
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* @description.zh-CN 检查图是否为空图。
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*/
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export declare function isNullGraph(graph: Graph): boolean;
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/**
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* @description Check if the graph contains Self loops.
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* @description.zh-CN 检查图是否包含自环。
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*/
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export declare function hasSelfLoop(graph: Graph): boolean;
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