Eric Huss 3629e2c051 Add an iterator over chapters ... This adds the `Book::chapters` iterator (and `for_each_chapter_mut`) to iterate over non-draft chapters. This is a common pattern I keep encountering, and I figure it might simplify things. It runs a little risk that callers may not be properly handling every item type, but I think it should be ok.		2025-09-15 07:11:19 -07:00
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main.rs	Add an iterator over chapters	2025-09-15 07:11:19 -07:00