kotlin / 1.7.0 / api / latest / jvm / stdlib / kotlin.sequences / first.html /

first

Platform and version requirements: JVM (1.0), JS (1.0), Native (1.0)
fun <T> Sequence<T>.first(): T

Returns the first element.

The operation is terminal.

Exceptions

NoSuchElementException - if the sequence is empty.

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

Returns the first element matching the given predicate.

Exceptions

NoSuchElementException -

if no such element is found.

The operation is terminal.

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.sequences/first.html