[fpc-pascal] Tree data structure

[Xiangrong Fang]

Hello,

Is there any built-in general Tree data structure in FPC/Lazarus library?
"General" means:

1) it is a "generic" class or its "node" is a pointer which is suitable for
general use

2) it is NOT balanced tree or binary tree, but just like a file system tree.

In another word, I am looking for a lightweight, pure "data" class that is
TTreeView without a GUI binding.

Thanks,
Shannon
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