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kotlinlang

I have a question about dagger. I have an Android module which provides APIs so basically a bunch of interfaces. Like
```interface Paying {
    fun pay(amount: Double)
}```
I have a separate module in which the implementation for above interface lies
``` class Purchase @Inject constructor() : Paying {
    override fun pay(amount: Double) {
        // Implementation logic here
    }
}```
The impl module has following binding between interface and implementation class
```@InstallIn(SingletonComponent::class)
@Module
abstract class PayingModule {

    @Binds
    abstract fun bindPayingApi(impl: Purchase): Paying
}```
Doing above I am getting the error `cannot be provided without an @Provides-annotated method`
If I move the interface and implementation in the same module, then error resolves. Does anyone know how can I fix this.

My apologies if this was not suppoe to be posted here.

You should annotate the function using provides annotation