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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

See Also

Topics