TIL: How to write Exception in Kotlin (opinionated) 1. Kotlin recommends to use exception catch operator e.g:

Flow<T>.catch

,

runCatching {}

etc 2. Dual-use API introduced for convenient e.g:

getOrNull

,

getOrDefault

etc 3. Use preconditions and compile check when writing public API/method https://medium.com/sampingan-tech/kotlin-getting-to-knows-with-exceptions-564f8b2bc3c