24 lines
493 B
Swift
24 lines
493 B
Swift
//
|
|
// Array+Uniques.swift
|
|
// Tusker
|
|
//
|
|
// Created by Shadowfacts on 1/6/19.
|
|
// Copyright © 2019 Shadowfacts. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
extension Array where Element: Hashable {
|
|
func uniques() -> [Element] {
|
|
var buffer = [Element]()
|
|
var added = Set<Element>()
|
|
for elem in self {
|
|
if !added.contains(elem) {
|
|
buffer.append(elem)
|
|
added.insert(elem)
|
|
}
|
|
}
|
|
return buffer
|
|
}
|
|
}
|