Yassin Kammoun e8d14c4eb4
Modify S2933: Migrate to LayC (#3261)
## Review

A dedicated reviewer checked the rule description successfully for:

- [ ] logical errors and incorrect information
- [ ] information gaps and missing content
- [ ] text style and tone
- [ ] PR summary and labels follow [the
guidelines](https://github.com/SonarSource/rspec/#to-modify-an-existing-rule)

---------

Co-authored-by: Zsolt Kolbay <121798625+zsolt-kolbay-sonarsource@users.noreply.github.com>
2023-10-13 08:05:03 +02:00

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include::../why.adoc[]
=== Exceptions
* Fields declared in classes marked with the `Serializable` attribute.
* Fields declared in `partial` classes.
* Fields with attributes are ignored.
* Fields of type `struct` that are not primitive or pointer types are also ignored because of possible unwanted behavior.
include::../how.adoc[]
=== Code examples
==== Noncompliant code example
[source,csharp,diff-id=1,diff-type=noncompliant]
----
public class Person
{
private int _birthYear; // Noncompliant
Person(int birthYear)
{
_birthYear = birthYear;
}
}
----
==== Compliant solution
[source,csharp,diff-id=1,diff-type=compliant]
----
public class Person
{
private readonly int _birthYear;
Person(int birthYear)
{
_birthYear = birthYear;
}
}
----
== Resources
=== Documentation
* Microsoft Learn - https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/readonly[readonly]
* Fabulous adventures in coding - https://ericlippert.com/2008/05/14/mutating-readonly-structs/[Mutating readonly structs]
ifdef::env-github,rspecator-view[]
'''
== Implementation Specification
(visible only on this page)
include::../message.adoc[]
'''
== Comments And Links
(visible only on this page)
include::../comments-and-links.adoc[]
endif::env-github,rspecator-view[]