Syntax

	$set.filter($func)

Description

Filters set by applying the func predicate function to each of its elements. The resulting set contains only the elements that the func predicate function has evaluated as true.

Parameters

Name	Type	Description	Mandatory	Default
set	Set	A set to be filtered according to `func`.	yes
func	Function	Predicate function to be applied to all elements of `set`.	yes

Return value

Type: Set

A new set containing all elements from set for which the predicate function resulted true.

Examples

Number filter

	list(1, 3, 5, 3, 7, 8, 3, 9)
  .filter(x -> $x > 4)

Output: A set with the elements [5, 7, 8, 9].

For all other numbers, the function returns false.