Modular lazy function pattern in kotlin

modular_deeplink_query.kt

import android.net.Uri
import androidx.core.net.toUri

//This is a object, something that has uninterable identity, here the id is deeplink.
class DeeplinkObject(
    val deeplink: String
) {

    private val asUri = deeplink.toUri()

    private val subjectsAskedMemo = HashMap<String, Any>()

    fun getLazy(key: String, computer: (deeplink: Uri) -> Any): Any {
        return subjectsAskedMemo.getOrPut(key) {
            computer.invoke(asUri)
        }
    }
}


//isUniversal is a subject
fun DeeplinkObject.isUniversal(): Boolean {
    val key = "isHttps"
    return getLazy(key) {
        it.scheme == "https"
    } as Boolean
}

//isLocal is a subject
fun DeeplinkObject.isLocal(): Boolean {
    val key = "isLocal"
    return getLazy(key) {
        it.scheme == "myapp"
    } as Boolean
}

//isProfile is a subject
fun DeeplinkObject.isProfile(): Boolean {
    val key = "isProfile"
    return getLazy(key) {
        it.path?.startsWith("profile") ?: false
    } as Boolean
}