I am planning on using a Slotmap to store the edges of a graph and be able to maintain index based references to them in my nodes.

I currently have the connections stored in a Vec which has issues with index reuse and ABA problems, etc (hence slotmap).

My one problem with this approach, is that I currently use Serde to read in multiple TOML files that can each contain my main data struct.

I need to have just one instance of the struct, so I merge the instances during initial startup which works fine with Vecs and HashMaps but I am unclear how I would do that with SlotMaps.

I currently merge the HashMap's with a helper function that checks for duplicated keys and errors if it finds any.

Any thoughts?

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