when must be exhaustive kotlin ?

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https://stackoverflow.com/questions/52812997/when-expression-must-be-exhaustive-error-when-using-adapters

https://stackoverflow.com/questions/52812997/when-expression-must-be-exhaustive-error-when-using-adapters
‘when’ expression must be exhaustive error when using adapters
Oct 22, 2021 at 11:48 Well, if you are sure that 0 and 1 are the only possible value you can else on 1: else -> Fragment1 () – David Soroko Oct 22, 2021 at 19:44 Add a comment 6 Answers Sorted by: 11 1) If it impossible to get at else branch than you can throw IllegalStateException (Fragment $position is not correct)

https://www.baeldung.com/kotlin/when-clause-comparisons

https://www.baeldung.com/kotlin/when-clause-comparisons
Using Kotlin when() Clause for – Baeldung
Il y a 7 joursWhen using a when () clause, it must be exhaustive, meaning it contains branches for all possible types or comparisons of its subject. When we’re working with unrestricted types such as an Int or String, we’ll finish the when () clause with an else branch to cover all possible cases. 2.1. The Equals-To Comparison

https://discuss.kotlinlang.org / t / solved-when-expression-recommended-to-be-exhaustive-even-if-it-is-impossible-to-reach-the-else-branch / 7379

https://discuss.kotlinlang.org / t / solved-when-expression-recommended-to-be-exhaustive-even-if-it-is-impossible-to-reach-the-else-branch / 7379
[SOLVED] ‘when’ expression recommended to be … – Kotlin Discussions
‘when’ expression on enum is recommended to be exhaustive, add ‘A’ branch or ‘else’ branch instead But, as far as I know, it would be imposible to reach the ‘A’ branch or the ‘else’ branch. Is this intended, or maybe a bug? Wasabi375 April 11, 2018, 9:14pm 2 I guess this is neither intended nor a bug.

https://stackoverflow.com/questions/66232871/why-do-non-exhaustive-when-expressions-cause-compiler-error-but-when-statements

https://stackoverflow.com/questions/66232871/why-do-non-exhaustive-when-expressions-cause-compiler-error-but-when-statements
kotlin – Why do non-exhaustive when expressions cause compiler error …
To make it a compile error for when statements, just call the exhaustive extension property: when (getResult ()) { // `when` NOW shows a red squiggly Result.Success -> {} }.exhaustive

https://stackoverflow.com/questions/63740410/using-kotlins-scope-functions-in-not-exhaustive-with-when

https://stackoverflow.com/questions/63740410/using-kotlins-scope-functions-in-not-exhaustive-with-when
Using Kotlin’s scope functions in not exhaustive with / when
Using Kotlin’s scope functions in not exhaustive with / when – Stack Overflow Using Kotlin’s scope functions in not exhaustive with / when Ask Question Asked 3 years, 1 month ago Modified 3 years, 1 month ago Viewed 283 times 1 I’m pretty new with Kotlin and I’m trying to figure out Kotlin’s scope functions. My code looks like this:

https://stackoverflow.com/questions/72379996/how-to-fix-non-exhaustive-when-statements-on-sealed-class-interface-in-kotli

https://stackoverflow.com/questions/72379996/how-to-fix-non-exhaustive-when-statements-on-sealed-class-interface-in-kotli
How to fix Non exhaustive ‘when’ statements on sealed class/interface …
25 mai 2022Non exhaustive when statements on sealed class/interface will be prohibited in Kotlin 1.7. I have a sealed class State and it’s children: sealed class State { object Initializing : State () object Connecting : State () object Disconnecting : State () object FailedToConnect : State () object Disconnected : State () object Ready : State () }

https://stackoverflow.com/questions/55782438/how-can-kotlins-when-expression-make-a-process-as-this-switch-case-code

https://stackoverflow.com/questions/55782438/how-can-kotlins-when-expression-make-a-process-as-this-switch-case-code
How can kotlin’s ‘when’ expression make a process as this switch-case …
In Kotlin the equivalent when expression is the following:. val c = // some char val num = 100 + when (c) { ‘c’ -> 10 ‘a’, ‘d’, ‘e’ -> 100 else -> 0 } Note that in this case the else case is necessary as when must be exhaustive as it’s used as en expression, i.e. it must cover all possible values of c.If c were a Boolean for example (or an enum or any other value with a limited domain), then …

https://kotlin-quick-reference.com/070-R-when-expressions.html

https://kotlin-quick-reference.com/070-R-when-expressions.html
when (like switch) · Kotlin Quick Reference
Kotlin when expressions are like Java switch statements, but you’ll see in this lesson, they’re much more powerful. … Matches must be exhaustive. When when is used as an expression you generally must include an else clause. If you don’t, you risk the chance of getting an error, as in this example: …

https://proandroiddev.com/til-when-is-when-exhaustive-31d69f630a8b

https://proandroiddev.com/til-when-is-when-exhaustive-31d69f630a8b
TIL: when is when exhaustive?. Kotlin’s when works similarly to Java …
Kotlin’s when works similarly to Java’s switch. Once upon a time, I heard that when forces you to specify all the branches (when all the branches can be known by the compiler, with enums or sealed-classes), but I didn’t find this to be the case.

https://kotlinlang.org/spec/expressions.html

https://kotlinlang.org/spec/expressions.html
Kotlin language specification – Kotlin Programming Language
A valid try-expression must have at least one catch or finally block. The try-expression evaluation evaluates its body; if any statement in the try body throws an exception … If when expression is not exhaustive, it has type kotlin.Unit and may be used only as a statement. Examples: lesoutrali bot