March 2019
Intermediate to advanced
336 pages
9h 9m
English
Content preview from Learn Data Structures and Algorithms with Golang
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The AddLink method
The AddLink method of the SocialGraph class takes name1 and name2 as parameters. This method creates the entities if the named entities do not exist and creates a link between the entities:
// Add Linkfunc (socialGraph *SocialGraph) AddLink(name1 Name, name2 Name) { var exists bool if _, exists = socialGraph.GraphNodes[name1]; !exists { socialGraph.AddEntity(name1) } if _, exists = socialGraph.GraphNodes[name2]; !exists { socialGraph.AddEntity(name2) } if _, exists = socialGraph.Links[name1]; !exists { socialGraph.Links[name1] = make(map[Name]struct{}) } socialGraph.Links[name1][name2] = struct{}{}}
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