1. On M1 Max 64GB it takes north of 40 minutes to compile this code WITH RELEASE PROFILE. M3 Pro: 25 minutes.
2. The culprit is the Option<String> type. If you replace it with just String (and None with String::from("some unique string")) it compiles in seconds.
3. degenerator.py generates code for bug.rs so you can play with number of fields, etc.

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