Kotlin Type Mismatch for a function return a string

Question

import java.util.UUID

fun UuidGenerator() {
    val id =  UUID.randomUUID().toString();
    return id.replace("-", "")
}

^^^ UuidGenerator.kt

Just try to build a simple UUI generator function so I can import it into a class and use it to generate random string of 32 characters, but keep getting type mismatch.

Answer 1

You need to specify return object : String

fun UuidGenerator() : String {
   val id =  UUID.randomUUID().toString()
   return id.replace("-", "")
}