In yaml-cpp, can the node tags be used to store custom data?

Question

I'm thinking of assigning my own unique id string to each YAML::Node via the SetTag() function. Is this possible, or is yaml-cpp referencing these tags internally, and it'll get confused? Also, is this likely to be a problem in future versions of the library?

This is the intended use of tags in yaml AFAIK and I use yaml-cpp with SetTag() for exactly this purpose. Note however, that I also had a few issues with the tag support in yaml-cpp: stackoverflow.com/questions/74502063/… — joergbrech
– joergbrech, Commented Dec 7, 2022 at 9:22
More precisely, I use the tags to tell my code about the type that the yaml node shall be deserialized to. I just realized this is not entirely what you want to do, right? So maybe your use case is not the intended use for yaml tags, but I suppose you could still use them... — joergbrech
– joergbrech, Commented Dec 7, 2022 at 9:32

Zig Razor · Accepted Answer · 2022-12-07 09:34:23Z

2

Yes, it's possible!The yaml-cpp tags are intended for this purpose.

Also, is this likely to be a problem in future versions of the library?

It should not create problem in the future version of the library, but for safety you can ask a question to the mantainer on the github repo of the library opening an issue or a discussion if possible.

answered Dec 7, 2022 at 9:34

Zig Razor

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