I’m trying the kotlin REPL in Intellij in my macbook pro for the first time, and running into an iss...

# getting-started

[Diego DeSouza]

I’m trying the kotlin REPL in Intellij in my macbook pro for the first time, and running into an issue when trying to do something like.

min(10, 2)
error: unresolved reference. None of the following candidates is applicable because of receiver type mismatch: 
public fun <T : Comparable<TypeVariable(T)>> Array<out TypeVariable(T)>.min(): TypeVariable(T) defined in kotlin.collections
public fun Array<out Double>.min(): Double defined in kotlin.collections
public fun Array<out Float>.min(): Float defined in kotlin.collections
public fun ByteArray.min(): Byte defined in kotlin.collections

[Diego DeSouza]

import kotlin.collections
 
 min(10, 2)
error: packages cannot be imported
import kotlin.collections

[Joffrey]

The top-level min function needs to be imported I believe. It should be from kotlin.math. You're not trying to use the .min() extension function on collections here

[Diego DeSouza]

import kotlin.math
 
 min(10, 2)
error: packages cannot be imported
import kotlin.math

[Joffrey]

You need import kotlin.math.* or import kotlin.math.min, you cannot import the package itself

[Diego DeSouza]

ah yes that’s the syntax thanks @Joffrey

[Joffrey]

No problem!

[Joffrey]

Also, note that kotlin.collections.* is imported by default AFAIR, so you'll never need to import it. That's why the initial error already knew about these extension functions on collections

[ephemient]

minOf does not require an import

[Joffrey]

Ah yes, minOf is from kotlin.comparisons which is also a default import