AUTOSAR C++14 Rule A13-2-1

An assignment operator shall return a reference to "this"

Description

Rule Definition

An assignment operator shall return a reference to "this".

Polyspace Implementation

The following operators should return *this on method, and *first_arg on plain function:

• operator=

• operator+=

• operator-=

• operator*=

• operator >>=

• operator <<=

• operator /=

• operator %=

• operator |=

• operator &=

• operator ^=

• Prefix operator++

• Prefix operator--

Does not report when no return exists.

No special message if type does not match.

Messages in report file:

• An assignment operator shall return a reference to *this.

• An assignment operator shall return a reference to its first arg.

Troubleshooting

If you expect a rule violation but Polyspace^® does not report it, see Diagnose Why Coding Standard Violations Do Not Appear as Expected.

Check Information

Group: Overloading

Category: Required, Automated

Version History

Introduced in R2019a