Ch8 Items - ConvertSaveload in WantsToDropItem component about rustrogueliketutorial HOT 2 OPEN

Chapter 10 goes through how ConvertSaveload is used. I also saw that it's written before being used (i.e. in ch. 8). If you want to fix the error import
use specs::saveload::{ConvertSaveload, Marker};

I also needed to use a specific version of serde for it to work, here's what I put in my cargo.toml:

serde = { version = "^1.0.44", features = ["derive"] }
serde_json = "^1.0.44"

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And don't forget to add specs = { version = "0.18.0", features = ["serde"] } to cargo.toml. I was missing the features part and got unresolved import specs::saveload which I did not see at first because you're flooded with cannot determine resolution for the derive macro ConvertSaveload errors. This change is silently introduced in the sources chapter 11 (2.10 Saving and Loading).

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