filter

v0.9.6

STATUS

Passing

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VISIBILITY

Public

PUBLISHED

5 years ago

SIZE

2 KB

Takes a predicate and a `Filterable`, and returns a new filterable of the

Array

Collections

Utils

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filter (

pred:Function,

filterable:Array

) : Array

Takes a predicate and a Filterable, and returns a new filterable of the same type containing the members of the given filterable which satisfy the given predicate. Filterable objects include plain objects or any object that has a filter method such as Array.

Dispatches to the filter method of the second argument, if present.

Acts as a transducer if a transformer is given in list position.

Example

const isEven = n => n % 2 === 0;

     R.filter(isEven, [1, 2, 3, 4]); //=> [2, 4]

     R.filter(isEven, {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, d: 4}

Arguments

pred: Function

filterable: Array

Returns

Array

Filterable