== Why is this an issue? Having all branches of a `when` or `if` chain with the same implementation indicates a problem. In the following code: [source,kotlin] ---- if (b == 0) { // Noncompliant doOneMoreThing() } else { doOneMoreThing() } when (i) { // Noncompliant 1 -> doSomething() 2 -> doSomething() 3 -> doSomething() else -> doSomething() } ---- Either there is a copy-paste error that needs fixing or an unnecessary `when` or `if` chain that needs removing. === Exceptions This rule does not apply to `if` chains without `else`, nor to `when` without an `else` clause. [source,kotlin] ---- if (b == 0) { doOneMoreThing() } else if (b == 1) { doOneMoreThing() } ---- ifdef::env-github,rspecator-view[] ''' == Implementation Specification (visible only on this page) include::../message.adoc[] include::../highlighting.adoc[] ''' == Comments And Links (visible only on this page) include::../comments-and-links.adoc[] endif::env-github,rspecator-view[]