Fsharp.Core :: {Array;List;Set;Array.Parallel} partitionWith (taking Choice<T,U> partitioner)#19335

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T-Gro wants to merge 16 commits intomainfrom

feature-fsharpcore-partitionMap

Commits on Feb 13, 2026

Commits on Feb 16, 2026

Add Set.partitionWith implementation, signature, and tests

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Update surface area baselines and release notes for Set.partitionWith

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Add stack safety and exception propagation tests for partitionWith

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Use CheckThrowsInvalidOperationExn helper in PartitionWith exception tests

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Add partitionWith consistency tests (List/Array order, Set equivalence)

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Set.partitionWith: use descending traversal to reduce AVL rotations

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Array.partitionWith: two-pass exact-sizing + inline

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Mark List.partitionWith inline with InlineIfLambda

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Add Array.Parallel.partitionWith

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Fix partitionWith: use 3-array pattern for perf, add Parallel to release notes

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Commits on Feb 17, 2026

Commits on Feb 20, 2026

extract scatterPartitioned
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