Is there a way to inject a `value class` with Dagg...

# dagger

[dave08]

Is there a way to inject a value class with Dagger2? It seems like it's not working... (don't think it makes a difference, but I'm using Anvil with it...)

[ephemient]

as long as Dagger is using (K)APT and generating Java, probably not

[dave08]

Yeah, I guess that makes sense... but under the hood doesn't a value class compile to a Java value class, or is Kapt not smart enough?

[ephemient]

under the hood, a @JvmInline value class Value(val value: T) compiles to a combination of things:
• properties, variables, methods, constructors, etc. declared as type Value compile to directly use T, but with mangled names to avoid collisions with Java overloads on T
• a wrapper class Value for use in contexts where the above can't work (e.g. List<Value>), with boxing/unboxing-like operations around its use
for now, all Kotlin/JVM value classes must be `@JvmInline`; Java's Project Valhalla is not ready and thus there are no JVM primitive classes yet.
there isn't a lot that KAPT can sensibly do with value classes - the mangled names aren't valid Java identifiers