uniq-by

v0.9.6

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Passing

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Public

PUBLISHED

5 years ago

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3 KB

Returns a new list containing only one copy of each element in the original

Array

Utils

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uniqBy (

fn:Function,

list:Array

) : Array

Returns a new list containing only one copy of each element in the original list, based upon the value returned by applying the supplied function to each list element. Prefers the first item if the supplied function produces the same value on two items. R.equals is used for comparison.

Example

R.uniqBy(Math.abs, [-1, -5, 2, 10, 1, 2]); //=> [-1, -5, 2, 10]

Arguments

fn: Function

A function used to produce a value to use during comparisons.

list: Array

The array to consider.

Returns

Array

The list of unique items.