Synopsis

(Required) There shall be no unused parameters (named or unnamed) in the set of parameters for a virtual function and all the functions that override it.

Enabled by default

Yes

Severity/Certainty

Low/Medium

Full description

A function parameter is declared but not used. This check is identical to MISRAC++2023-0.2.2_b.

Coding standards

Code examples

The following code example fails the check and will give a warning:

struct S {

virtual int example(int a, int b) {
  return a * a;
}

};

The following code example passes the check and will not give a warning about this issue:

struct S {
  
virtual int example(int a, int b) {
  return a * b;
}

};