[C++] Split arrow/util/bit_util.h into multiple header files #25148
Description
This header has grown quite large and any given compilation unit's use of it is likely limited to only a couple of functions or classes. I suspect it would improve compilation time to split up this header into a few headers organized by frequency of code use.
Reporter: Wes McKinney / @wesm
Assignee: Wes McKinney / @wesm
PRs and other links:
Note: This issue was originally created as ARROW-9032. Please see the migration documentation for further details.