Add proc find to heapqueue
#14628
Merged
Add proc find to heapqueue
#14628
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stride double hashing) part of recent sets & tables changes (which has still been causing bugs over a month later (e.g., two days ago #13794) as well as still having several "figure this out" implementation question comments in them (see just diffs of this PR). This topic has been discussed in many places: #13393 #13418 #13440 #13794 Alternative/non-mandatory stronger integer hashes (or vice-versa opt-in identity hashes) are a better solution that is more general (no illusion of one hard-coded sequence solving all problems) while retaining the virtues of linear probing such as cache obliviousness and age-less tables under delete-heavy workloads (still untested after a month of this change). The only real solution for truly adversarial keys is a hash keyed off of data unobservable to attackers. That all fits better with a few families of user-pluggable/define-switchable hashes which can be provided in a separate PR more about `hashes.nim`. This PR carefully preserves the better (but still hard coded!) probing of the `intsets` and other recent fixes like `move` annotations, hash order invariant tests, `intsets.missingOrExcl` fixing, and the move of `rightSize` into `hashcommon.nim`.
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I think those failing |
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Needs a |
`heap` like all the other procs for consistency.
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The 2 test failures remain about other things. Anything else? |
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#14617