SEQ.reduce

Reduces the sequence to a single value. reducer is used to fold the values. Consumes the whole sequence before returning a value.

Throws an Error if list is empty.

Type

type reduce = <E>(reducer: (e: E, f: E) => E) => (seq: Seq<E>)=> E

Example

import * as SEQ from 'fnxt/seq';
const seq = SEQ.of(1, 2, 3, 4);
const reduce = SEQ.reduce((a:number, b:number) => a+b);
reduce(seq) // -> 10