loromits

extension Array {
    func quickSorted(_ areInIncreasingOrder: (Element, Element) -> Bool) -> Array {
        guard count > 1, let lastElement = last else { return self }
        var (preceding, successing) = (Array(), Array())
        dropLast().forEach { areInIncreasingOrder($0, lastElement) ? preceding.append($0) : successing.append($0) }
        return preceding.quickSorted(areInIncreasingOrder) + [lastElement] + successing.quickSorted(areInIncreasingOrder)
    }
}

loromits

import Differentiator
import RxCocoa
import RxDataSources
import RxSwift
import UIKit

class RxTableViewSectionedUpdatingDataSource<S: AnimatableSectionModelType>:
TableViewSectionedDataSource<S>, RxTableViewDataSourceType {
    typealias UpdateCell = (UITableViewCell, IndexPath, S.Item) -> Void
    

loromits

extension Collection where Element: Comparable & Numeric {
    typealias Triplet = (Element, Element, Element)
    
    func threeSum() -> [Triplet] {
        var result = [Triplet]()
        let sortedSelf = sorted()
        for (offset, a) in sortedSelf.dropLast().enumerated() {
            var slice = sortedSelf.dropFirst(offset + 1)
            while slice.count > 1, let b = slice.first, let c = slice.last {
                if a + b + c == 0 {

loromits

@interface Pair<FirstType, SecondType>: NSObject

@property FirstType first;
@property SecondType second;

+ (instancetype)pairWithFirst:(FirstType)first second:(SecondType)second;

@end

@implementation Pair

loromits

#include <iostream>
#include <vector>
#include <numeric>

bool lift(std::vector<int>& vec, int limit) {
	if (vec.back() < limit) {
		vec.back() += 1;
		return true;
	}
	for (auto rit = std::next(vec.rbegin()); rit != vec.rend(); rit++) {

loromits

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>

std::vector<bool> sieve() {
    std::vector<bool> v(5001, true);
    v[0] = v[1] = false;
    for (int p = 2; p < 5001; p++) {
        if (v[p]) {

loromits

import Network

extension NWPathMonitor: ReactiveCompatible {}

extension Reactive where Base == NWPathMonitor {
    func pathUpdate(on queue: DispatchQueue = .global(qos: .background)) -> Observable<NWPath> {
        return Observable.create { [weak base] observer in
            base?.pathUpdateHandler = observer.onNext
            base?.start(queue: queue)
            return Disposables.create { base?.cancel() }

loromits

import RxSwift

struct MaybeNever<S: AnyObject> {
    private weak var take: S?
    init(_ t: S) {
        take = t
    }
    func run<A, B, R>(_ f: @escaping (S, A, B) -> Observable<R>) -> (A, B) -> Observable<R> {
        return { a, b in
            if let t = self.take {

loromits

extension Array {
    /// Union with newElements, comparing by keyPath value and replacing old elements with new
    /// Expected complexity ~ 3*n
    func union<T: Hashable>(newElements: Array, byKeyPath keyPath: KeyPath<Element, T>) -> Array {
        var copy = self
        // Hash indices for faster replacement
        let sample = copy.enumerated().reduce(into: [T: Index]()) { result, entry in
            result[entry.element[keyPath: keyPath]] = entry.offset
        }
        copy.reserveCapacity(copy.count + newElements.count)

loromits

import UIKit

extension Comparable {
    func clamping(_ range: ClosedRange<Self>) -> Self {
        return Swift.min(range.upperBound, max(range.lowerBound, self))
    }
}

extension UIColor {
    func components() -> (red: CGFloat, green: CGFloat, blue: CGFloat, alpha: CGFloat) {