MarcSteven

import lldb
import re
import shlex

# This script allows Xcode to selectively ignore Obj-C exceptions
# based on any selector on the NSException instance

def getRegister(target):
    if target.triple.startswith('x86_64'):
        return "rdi"

MarcSteven

//useful to construct the elements of UI fast ,we always write these code in the interface for instance 
/*
let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.adjustsFontSizeToFitWidth = adjustToFit
        label.text = text
        label.font = UIFont.preferredFont(forTextStyle: fontStyle)
        label.textAlignment = .left
        label.textColor = textColor

MarcSteven

struct BigInt {
    var value:String

    func multiply(right:BigInt) ->BigInt {
        var a1 = value.characters.reverse().map {Int(String($0))!}
        var a2 = right.value.characters.reverse().map {Int(String($0))!}
        var product = [Int](count:a1.count + a2.count,repeatedValue:0)
        for iterNumber1 in 0..<a1.count {
            for iterNumber2 in 0..<a2.count{
                let idxIter = iterNumber1 + iterNumber2

MarcSteven

import UIKit
class Oven {
    var _temperature:Temperature = Temperature()
    var temperature :Temperature {
        get {return _temperature}
        set { _temperature = newValue.copy() }
    }
}
class House {
    var thermostat :Temperature?

MarcSteven

import UIKit

struct Screen<A> {
    let run: (A -> ()) -> UIViewController
}

struct Step<A> {
    let build: (navigationController: UINavigationController, callback: A -> ()) -> UIViewController
}