Add <bit> like support

[mborland]

Closes: #18

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.2%. Comparing base (52d3538) to head (d8e8fb8).
⚠️ Report is 8 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff            @@
##           develop     #23     +/-   ##
=========================================
+ Coverage     97.9%   98.2%   +0.3%     
=========================================
  Files           65      68      +3     
  Lines         2286    2616    +330     
  Branches       657     770    +113     
=========================================
+ Hits          2237    2567    +330     
  Misses          22      22             
  Partials        27      27             

Files with missing lines	Coverage Δ
examples/bit.cpp	100.0% <100.0%> (ø)
include/boost/safe_numbers/bit.hpp	100.0% <100.0%> (ø)
test/test_bit.cpp	100.0% <100.0%> (ø)

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[cppalliance-bot]

An automated preview of the documentation is available at https://23.safe-numbers.prtest3.cppalliance.org/libs/safe_numbers/doc/html/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-02-06 17:48:42 UTC