Proposal: Add support for extensions#185
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jbruechert wants to merge 1 commit into
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rust-csv doesn't support this unfortunately :( |
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I need to be able to use extensions like https://developers.google.com/transit/gtfs/reference/google-transit-ticketing-extension.
This is one way to enable that, the alternative would be implementing everything in this crate.
I used serde_json::Value for the HashMap, because that seemed to be a reasonably generic type.
Embedding arbitrary serializable types at runtime unfortunately doesn't seem to be possible as serde::Serialize is not dyn compatible, so extensions can't be structs.