fix: example router is move-only

[alandefreitas]

fix #956

[cppalliance-bot]

An automated preview of the documentation is available at https://959.url.prtest2.cppalliance.org/index.html

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

2026-01-20 17:20:10 UTC

[cppalliance-bot]

GCOVR code coverage report https://959.url.prtest2.cppalliance.org/gcovr/index.html
LCOV code coverage report https://959.url.prtest2.cppalliance.org/genhtml/index.html
Coverage Diff https://959.url.prtest2.cppalliance.org/gcovr/coverage_diff.txt

Build time: 2026-01-20 17:32:54 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.34%. Comparing base (e618e69) to head (e2be510).
⚠️ Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #959   +/-   ##
========================================
  Coverage    99.34%   99.34%           
========================================
  Files          161      161           
  Lines         8764     8764           
========================================
  Hits          8707     8707           
  Misses          57       57           

Files with missing lines	Coverage Δ
example/router/detail/router.hpp	100.00% <ø> (ø)
example/router/router.hpp	100.00% <ø> (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 e618e69...e2be510. Read the comment docs.

🚀 New features to boost your workflow:

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