Add type alias for common MessageIdMap #1486
Merged
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Allows us to easily swap out our hashmap/hash implementation for the common idiom of
HashMap<MessageId, V>
.Given how common this will be I think having finer control over our hashmap/hash will be quite valuable.
For now uses the fnv hasher as it is known to perform much better for integer keys than the default siphasher https://crates.io/crates/fnv