[user27182]

• check_real is typed Never for input it always rejects: text and boolean arrays, str, bool, and nested sequences of either.
• The typing cases assert Never for those inputs instead of a passthrough type.

🤖 Generated with Claude Code (Claude Opus 5.5)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.74%. Comparing base (379208d) to head (ec6bbff).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #48   +/-   ##
=======================================
  Coverage   99.74%   99.74%           
=======================================
  Files          11       11           
  Lines        1169     1169           
  Branches      135      135           
=======================================
  Hits         1166     1166           
  Misses          1        1           
  Partials        2        2           

Flag	Coverage Δ
tests	99.46% <ø> (ø)
typing	97.88% <ø> (ø)

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