yesleon

import Combine


precedencegroup SinkPrecedence { }
precedencegroup FilterPrecedence {
    associativity: left
    higherThan: SinkPrecedence
}

infix operator | : FilterPrecedence

yesleon

// 
// Usage: 
// 
// Facebook:
// 
// 1. Follow this guide (WITHOUT setting up a URL scheme in Xcode): 
// https://github.com/fullstackreact/react-native-oauth/issues/76#issuecomment-335902057
// 
// 2. call startFacebookAuthenticationSession(appID:completionHandler:) on a window:
// 

yesleon

enum Equality<T: Equatable> {
    case equal(T)
    case notEqual
}

func == <T: Equatable>(lhs: T, rhs: T) -> Equality<T> {
    if lhs == rhs {
        return .equal(lhs)
    } else {
        return .notEqual

yesleon

import Foundation

let json = """
{
   "results":[
      {
         "blah":"blah",
         "nested_object":{
            "type":"a",
            "id":69,

yesleon

//
//  InteractivePushableNavigationController.swift
//  InteractivePushGestureRecognizerExample
//
//  Created by Li-Heng Hsu on 2020/3/11.
//  Copyright © 2020 Li-Heng Hsu. All rights reserved.
//

import UIKit

yesleon

@dynamicMemberLookup
protocol JSONType { 
    subscript(dynamicMember member: String) -> JSONType? { get set }
}
extension JSONType {
    subscript(dynamicMember member: String) -> JSONType? {
        get { nil }
        set { }
    }
    subscript<T>(type: T.Type) -> T? {

yesleon

import UIKit

typealias MutableContext<Value> = (@escaping (inout Value) -> Void) -> Void

class MasterViewController: UITableViewController {
    
    var models = [String]()

    // 點選 cell 時會呼叫的工廠方法。
    func makeDetailViewController(indexPath: IndexPath) -> DetailViewController? {

yesleon

func makeObject() -> (getter: () -> String, setter: (String) -> Void) {
    var text = "Hello "
    return (
        getter: { text },
        setter: { text = $0 }
    )
}

let object = makeObject()

yesleon

// MARK: Core

public typealias DeactivateHandler = () -> Void

public struct AsyncTask<Success, Failure> where Failure: Error {
    public var activate: (@escaping (Success) -> Void, @escaping (Failure) -> Void) -> DeactivateHandler
}

extension AsyncTask where Failure == Never {

yesleon

@dynamicMemberLookup
public struct FluentInterface<Root> {
    public let root: Root
    public subscript<Value>(dynamicMember keyPath: WritableKeyPath<Root, Value>) -> (Value) -> Self {
        var root = self.root
        return { newValue in
            root[keyPath: keyPath] = newValue
            return FluentInterface(root: root)
        }