usingin all C++ examples
- clang-format all examples again
'using' is generally prefered in modern C++. It's important here because examples are part of the documentation (cookbook). It could be done for the rest of the code, but it's much less important.
Part of #1865
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- All discussions are resolved
- At least 2
👍votes from core developers, no 👎vote.
- The feature branch is (reasonably) up-to-date with the base branch
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- Optionally, run
git diff develop... -U0 --no-color | clang-format-diff.py -p1 -ion latest changes and commit