GH-26648: [C++] Optimize union equality comparison#45384

Merged

pitrou merged 6 commits intoapache:mainfrom mcshawn10:ARROW_26648

Feb 4, 2025

+66-8

Commits on Jan 28, 2025

edit Visit(SparseUnionType) to check for "runs"
mcshawn10
committed

Commits on Jan 29, 2025

remove unused var
mcshawn10
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Commits on Jan 31, 2025

Lint C++, Python, R, Docker, RAT format fix
mcshawn10
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Commits on Feb 1, 2025

fix white space
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Commits on Feb 4, 2025