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V3075. The operation is executed 2 or m…
Analyzer Diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
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Contents

V3075. The operation is executed 2 or more times in succession.

March 3, 2016

The analyzer detected a possible error that has to do with executing operation '!', '~', '-', or '+' two or more times in succession. This error may be caused by a typo. The resulting expression makes no sense and may lead to incorrect behavior.

Consider the following example:

if (!(( !filter )))
{
  ....
}

This error most likely appeared during code refactoring. For example, a part of a complex logical expression was removed while the negation of the whole result wasn't. As a result, we've got an expression with an opposite meaning.

The fixed version of the code may look like this:

if ( filter )
{
  ....
}

or this:

if ( !filter )
{
  ....
}

You can look at examples of errors detected by the V3075 diagnostic.

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