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Documentation: Added suffix section [skip ci] #8675

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Documentation: Added suffix section
wjakobsson Jun 26, 2026
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8 changes: 8 additions & 0 deletions man/manual-premium.md
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Expand Up @@ -193,6 +193,14 @@ portability warnings. Implementation defined behavior. 64-bit portability. Some
configuration problems, which does not relate to the syntactical correctness, but the used Cppcheck configuration could
be improved.

## Suffixes

Some rules can have a suffix appended to the rule id to mark a sub-category of the warning. This gives the subset its own id, so you can suppress just those cases while keeping the rest of the rule active. Additional information is included in the warning notes if the suffix is present.

**-positive-constexpr**

the value of the expression is a non-negative constant.

@danmar danmar Jun 26, 2026 •
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hmm.. we only write this suffix when it's technically safe to suppress the warning. I.e. for 10.3 the constant value must fit in the destination type.


## Possible speedup analysis of template code

Cppcheck instantiates the templates in your code.
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