uniq-with

v0.9.6

STATUS

Passing

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VISIBILITY

Public

PUBLISHED

5 years ago

SIZE

887 B

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

Array

Utils

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uniqWith (

pred: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 predicate to two list elements. Prefers the first item if two items compare equal based on the predicate.

Example

const strEq = R.eqBy(String);
     R.uniqWith(strEq)([1, '1', 2, 1]); //=> [1, 2]
     R.uniqWith(strEq)([{}, {}]);       //=> [{}]
     R.uniqWith(strEq)([1, '1', 1]);    //=> [1]
     R.uniqWith(strEq)(['1', 1, 1]);    //=> ['1']

Arguments

pred: Function

A predicate used to test whether two items are equal.

list: Array

The array to consider.

Returns

Array

The list of unique items.