[ARROW-13494] [C++] Rename namespace BitUtil

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: beginner good-first-issue pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18763
• Assignee: Matthijs Brobbel
• Reporter: Ben Kietzman
• Created: 29/Jul/21 19:28
• Updated: 11/Jan/23 08:33
• Resolved: 30/Nov/21 13:58

Description

namespace BitUtil is not allowed by the style guide, which requires namespaces to be in snake_case: https://google.github.io/styleguide/cppguide.html#Namespace_Names

Issue Links

• links to: GitHub Pull Request #11792