isNotEmpty

Common
JVM
JS
Native
1.0
fun CharSequence.isNotEmpty(): Boolean
(source)

Returns true if this char sequence is not empty.

import java.util.Locale
import kotlin.test.*

fun main(args: Array<String>) {
//sampleStart
fun markdownLink(title: String, url: String) =
    if (title.isNotEmpty()) "[$title]($url)" else url

// plain link
println(markdownLink(title = "", url = "https://kotlinlang.org")) // https://kotlinlang.org

// link with custom title
println(markdownLink(title = "Kotlin Language", url = "https://kotlinlang.org")) // [Kotlin Language](https://kotlinlang.org)
//sampleEnd
}