<Kotlin extension function to an unknown type> Is ...

# stackoverflow

[user]

Kotlin extension function to an unknown type
Is it possible to use an extension function with a function that returns an unspecified value type?

defaultPreferences(this)["some string"]?.let { ...


I have to do this to avoid error, but I really want it to be in a single line.

val value: String? = defaultPreferences(this)["some string"]
value?.let { ...


And the error I get in the first example is

"Type inference failed: Not enough information to infer parameter T in inline operator fun SharedPreferences.get(key: String,...