Hands-on Rust: missing instructions to add monster_spawns to MapBuilder

Pragmatic Bookshelf PragProg Customers
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1

Title: Hands-On Rust (chapter 11)

empty.rs won’t compile without adding monster_spans to MapBuilder. (Didn’t see instructions to add that)

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Thanks, that’s another case of the book not showing a source code update. It’s logged, and I’ll get that fixed in the next beta.