Add strict policy

[mborland]

Closes: #9

[codecov]

Codecov Report

❌ Patch coverage is 87.80488% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 97.9%. Comparing base (7067bd6) to head (5eceef9).
⚠️ Report is 4 commits behind head on develop.

Files with missing lines	Patch %	Lines
test/test_unsigned_strict_addition.cpp	80.0%	1 Missing ⚠️
test/test_unsigned_strict_division.cpp	80.0%	1 Missing ⚠️
test/test_unsigned_strict_mod.cpp	80.0%	1 Missing ⚠️
test/test_unsigned_strict_multiplication.cpp	80.0%	1 Missing ⚠️
test/test_unsigned_strict_subtraction.cpp	80.0%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##           develop     #12     +/-   ##
=========================================
- Coverage     98.1%   97.9%   -0.1%     
=========================================
  Files           56      61      +5     
  Lines         2150    2190     +40     
  Branches       611     611             
=========================================
+ Hits          2108    2143     +35     
- Misses          18      23      +5     
  Partials        24      24             

Files with missing lines	Coverage Δ
...ost/safe_numbers/detail/unsigned_integer_basis.hpp	94.4% <100.0%> (+0.3%)	⬆️
test/test_unsigned_strict_addition.cpp	80.0% <80.0%> (ø)
test/test_unsigned_strict_division.cpp	80.0% <80.0%> (ø)
test/test_unsigned_strict_mod.cpp	80.0% <80.0%> (ø)
test/test_unsigned_strict_multiplication.cpp	80.0% <80.0%> (ø)
test/test_unsigned_strict_subtraction.cpp	80.0% <80.0%> (ø)

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7067bd6...5eceef9. Read the comment docs.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[cppalliance-bot]

An automated preview of the documentation is available at https://12.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.

2026-02-05 18:37:54 UTC