SEQ.head
Returns the first value of a sequence. Throws an Error if the sequence is empty.
Type
type head = <E>(s:Seq<E>) => EExample
import * as SEQ from 'fnxt/seq';
const seq = SEQ.of(2, 3, 4);
const head = SEQ.head;
head(seq) // -> 2Returns the first value of a sequence. Throws an Error if the sequence is empty.
type head = <E>(s:Seq<E>) => Eimport * as SEQ from 'fnxt/seq';
const seq = SEQ.of(2, 3, 4);
const head = SEQ.head;
head(seq) // -> 2