https://bugs.kde.org/show_bug.cgi?id=410754
Bug ID: 410754
Summary: [check proposal] warn against unused template
arguments
Product: clazy
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: jeanmichael.celer...@gmail.com
CC: smart...@kde.org
Target Milestone: ---
This case has cost me some long minutes staring at my screen while refactoring
some code - you remove an argument to a template function (say u in
template<...> void f(T t, U u)), but forget to remove "typename U" from the
list of template arguments, which removes your function from the overload set
or cause even worse things.
The idea for this check would be to look for trivial template arguments (e.g.
strictly things such as `typename T` or `class T`, not non-type template
arguments, not defaulted types, etc...) and emit a warning if they are not used
anywhere in the function parameter list or body.
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