Core API – Kotlin Programming Language (original) (raw)

fun <T> Sequence<T>.single(): T(source)

Returns the single element, or throws an exception if the sequence is empty or has more than one element.

The operation is terminal.

Since Kotlin

1.0

inline fun <T> Sequence<T>.single(predicate: (T) -> Boolean): T(source)

Returns the single element matching the given predicate, or throws exception if there is no or more than one matching element.

The operation is terminal.

Since Kotlin

1.0