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The Koan of Optional Existence

Koan
Kotlin
null-safetyexistencereflection
fun String?.contemplateExistence() = when {
    this == null -> "What exists in nothing?"
    isEmpty() -> "Is empty truly empty?"
    else -> "Form is not different from emptiness"
}


fun main() {
    val void: String? = null
    val emptiness = ""
    val form = "being"


    println(void.contemplateExistence())
    println(emptiness.contemplateExistence())
    println(form.contemplateExistence())
}
Created by Poetic Source

Uses Kotlin's null safety features to explore the nature of existence and absence.

Demonstrates Kotlin's smart casting, null safety operators, and extension functions.

Explores the paradox of existence and non-existence, using null as a metaphor for emptiness.