filter(_:)

Returns a new SyntaxCollection that just contains the elements satisfying the given predicate.

SyntaxCollection.swift:403
func filter(_ isIncluded: (Element) throws -> Bool) rethrows -> Self

Parameters

isIncluded

A closure that takes an element of the collection as its argument and returns a Boolean value indicating whether the element should be included in the returned collection.

Returns

A SyntaxCollection of the elements that isIncluded allowed.