The compiler emits a warning if I use

|

in a backticked function name, claming it can cause problems on Windows. I can supprss it with

@Suppress("DANGEROUS_CHARACTERS")

, but what's the danger exactly? I plan to run it only on the JVM.

The JVM can run on Windows. It’s related to Windows-specific filesystem-isms: https://youtrack.jetbrains.com/issue/KT-17438/Class-names-with-backticks-containing-symbols-and-some-others-should-be-impossible