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Generated as part of an ecosystem-wide audit for one-arg hash methods. The `hash(arg::LowerOrUpperIndex)` method only defined a one-arg `Base.hash`, which means the two-arg fallback `hash(x, h::UInt)` uses `objectid`-based hashing instead. This can cause correctness issues (equal objects hashing differently) and performance problems (excessive invalidation). With Julia 1.13+, the default hash seed is changing from `zero(UInt)` to a random value, which will make the one-arg method produce different results on each session. Fix by converting to a proper two-arg method that chains the seed `h` through the hash computation. Co-Authored-By: Claude <noreply@anthropic.com>
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Generated as part of an ecosystem-wide audit for one-arg hash methods.
Summary
The
hash(arg::LowerOrUpperIndex)method insrc/index.jlonly defines a one-argBase.hash. This means the two-arg fallbackhash(x, h::UInt)usesobjectid-based hashing instead, which can cause:DictorSetzero(UInt)to a random value, so the one-arg method will produce different results each sessionFix
Convert to a proper two-arg
hash(arg::LowerOrUpperIndex, h::UInt)that chains the seed through the computation.Test plan
This PR was generated with the assistance of generative AI.
Co-Authored-By: Claude noreply@anthropic.com