W3cubDocs

/Kotlin

first

kotlin-stdlib / kotlin.text / first
Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0) 
fun CharSequence.first(): Char

Returns first character.

Exceptions

NoSuchElementException - if the char sequence is empty.

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0) 
inline fun CharSequence.first(
    predicate: (Char) -> Boolean
): Char

Returns the first character matching the given predicate.

Exceptions

NoSuchElementException - if no such character is found.

© 2010–2019 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/first.html