Why is this an issue?
If a type is declared but not used, then it is unclear to a reviewer if the type is redundant or it has been left unused by mistake.
Noncompliant code example
void unusedtype()
{
typedef int local_Type; // Noncompliant, unused
}
Resources
- MISRA C++:2008, 0-1-5 - A project shall not contain unused type declarations.
