History of Idiom 17 > diff from v20 to v21
Edit summary for version 21 by programming-idioms.org:
Linked to idiom #128 [Breadth-first traversing of a tree]
Linked to idiom #128 [Breadth-first traversing of a tree]
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Version 20
2016-05-02, 12:04:28
Version 21
2016-05-02, 12:05:01
Idiom #17 Create a Tree data structure
The structure must be recursive. A node may have zero or more children. A node has access to children nodes, but not to its parent.
Idiom #17 Create a Tree data structure
The structure must be recursive. A node may have zero or more children. A node has access to children nodes, but not to its parent.