Modeling Android Resource

StringResource.kt

typealias StringResource = Either<String, AndroidStringResource>

data class AndroidStringResource(
    val id: Int,
    val args: List<String> = emptyList()
)

fun Fragment.getString(resource: StringResource): String {
    return when (resource) {
        is Left -> resource.a
        is Right -> resource.b
            .takeIf { it.args.isNotEmpty() }
            ?.let {
                resources.getString(it.id, *it.args.toTypedArray())
            } ?: resources.getString(resource.b.id)
    }
}