[modulovalue]

That's where Dart and Flutter shine. Sadly, people discussing Swift/SwiftUI, Kotlin/KMP, and Dart/Flutter often only have surface-level comments that do not address potential issues like these.

Dart's static type system has been designed to avoid such problems.

Not once have I had, or heard of, a performance issue related to the Dart type checker. That's also one of the reasons why hot reload always works as expected.