```package personal import arrow.core.None import...

# arrow

[sitepodmatt]

package personal

import arrow.core.None
import arrow.core.Some

fun main() {

    val remoteInput = Some("blue")
        .flatMap { if(it.isNullOrBlank()) None else Some(it.trim()) }
        .map { it.toLowerCase() }
    println(remoteInput)
    val vn = remoteInput.toEither { Exception("No valid input") }
    println(vn)

}