Fix [[nodiscard]] consistency

[mborland]

No description provided.

[cppalliance-bot]

An automated preview of the documentation is available at https://109.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.

2026-02-24 16:29:15 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.5%. Comparing base (ea766cd) to head (624a68c).
⚠️ Report is 5 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff           @@
##           develop    #109   +/-   ##
=======================================
  Coverage     98.5%   98.5%           
=======================================
  Files          102     102           
  Lines         6850    6850           
  Branches      2478    2478           
=======================================
  Hits          6742    6742           
  Misses          42      42           
  Partials        66      66           

Files with missing lines	Coverage Δ
include/boost/safe_numbers/byte_conversions.hpp	100.0% <100.0%> (ø)
include/boost/safe_numbers/integer_utilities.hpp	100.0% <100.0%> (ø)
include/boost/safe_numbers/numeric.hpp	100.0% <100.0%> (ø)
test/test_to_from_be_bytes.cpp	100.0% <ø> (ø)
test/test_to_from_le_bytes.cpp	100.0% <ø> (ø)
test/test_to_from_ne_bytes.cpp	100.0% <ø> (ø)

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