Compile time check to assert # keywords == arity
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Feature
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- cpp
- Domain
- backend-api-design
Research direction
Start in include/boost/python/make_function.hpp, specifically make_function_aux and its existing check for too many keywords. Trace how argument arity and keyword counts are represented, then verify that the relevant Boost.Python tests cover both matching and mismatched counts; done means an incorrect count is rejected at compile time.
Written by the indexing model from the issue text.
Description
Experience has shown that C++ signatures may change over time: often arguments are added. Unfortunately, boost python will not complain if developers forget to update the bp export code.
make_function_aux in make_function.hpp already contains a check that the user did not provide too many keywords.
It would be useful if we could enable a check to assert that the number of keywords always is exactly equal to the number of arguments.
- Dominant language
- C++
- Stars
- 537
- Forks
- 223
- Avg merge
- 11h 22m
- Merged PRs (30d)
- 2
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