scan

v0.9.6

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Passing

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Public

PUBLISHED

5 years ago

SIZE

959 B

Scan is similar to [`reduce`](#reduce), but returns a list of successively reduced values from the left

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scan (

fn:Function,

acc:*,

list:Array

) : Array

Scan is similar to reduce, but returns a list of successively reduced values from the left

Example

const numbers = [1, 2, 3, 4];
     const factorials = R.scan(R.multiply, 1, numbers); //=> [1, 1, 2, 6, 24]

Arguments

fn: Function

The iterator function. Receives two values, the accumulator and the current element from the array

acc: *

The accumulator value.

list: Array

The list to iterate over.

Returns

Array

A list of all intermediately reduced values.