[clazy] [Bug 402917] New: Check converting number to string

[Roman]

https://bugs.kde.org/show_bug.cgi?id=402917

            Bug ID: 402917
           Summary: Check converting number to string
           Product: clazy
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: minor
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: dismine at gmail.com
                CC: smartins at kde.org
  Target Milestone: ---

I have found in my code strings like this: 

int value = 2; // just an example

...

QString("%1").arg(value)



Clazy complains about qstring-allocations here. This is correct, but such a
code has small sense since we could just write 

QString::number(value) or QString().number(value)

It seems Clazy could improve readability if advises replace single placeholder
(%1-%99) with conversion from number.

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