Don't use MutableKeys to set the new world name.
#353
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The [`MutableKeys` trait] requires that the new key have the same hash value as the old key. Since that's not true when we're changing a world name, rebuild a new `IndexMap` instead, to avoid perterbing the key order. [`MutableKeys` trait]: https://docs.rs/indexmap/latest/indexmap/map/trait.MutableKeys.html
calvinrp
approved these changes
Nov 15, 2024
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The
MutableKeystrait requires that the new key have the same hash value as the old key. Since that's not true when we're changing a world name, rebuild a newIndexMapinstead, to avoid perterbing the key order.