vlondon

import Combine
import Foundation

/// A thread-safe store for cancellables which addresses usability pain points
/// with stock Combine apis.
///
/// ## Thread-safe storage of cancellables
///
///     let cancelBag = CancelBag()
///     cancellable.store(in: cancelBag)

vlondon

i386 : iPhone Simulator
x86_64 : iPhone Simulator
arm64 : iPhone Simulator
iPhone1,1 : iPhone
iPhone1,2 : iPhone 3G
iPhone2,1 : iPhone 3GS
iPhone3,1 : iPhone 4
iPhone3,2 : iPhone 4 GSM Rev A
iPhone3,3 : iPhone 4 CDMA
iPhone4,1 : iPhone 4S

vlondon

// Don't forget to add to the project:
// 1. DeepLabV3 - https://developer.apple.com/machine-learning/models/
// 2. CoreMLHelpers - https://github.com/hollance/CoreMLHelpers

enum RemoveBackroundResult {
    case background
    case finalImage
}

extension UIImage {

vlondon

#import <UIKit/UIKit.h>

@interface UIView (RoundedCorners)

- (void)setRoundedCorners:(UIRectCorner)corners radius:(CGSize)size;

@end

vlondon

import SwiftUI
import PlaygroundSupport

struct EmptyModifier: ViewModifier {

    let isEmpty: Bool

    func body(content: Content) -> some View {
        // We have to group the views or we will get an error:
        // "Function declares an opaque return type, but has no return statements in its body from which to infer an underlying type"

vlondon

struct ContentView: View {

    @State private var isSubtitleVisible: Bool = false

    var body: some View {
        VStack {
            Text("Title")
            Text("Subtitle").isHidden(isSubtitleVisible)
            Text("Body")
            Spacer()

vlondon

struct ContentView: View {

    @State private var isSubtitleVisible: Bool = false

    var body: some View {
        VStack {
            Text("Title")
            if isSubtitleVisible {
                Text("Subtitle")
            } else {

vlondon

struct ContentView: View {
    var body: some View {
        VStack {
            Text("Title")
            Text("Subtitle")
            Text("Body")
            Spacer()
        }
    }
}

vlondon

import Foundation

// Swizzling
extension NSObject {
    
    class func swizzleMethods(origSelector: Selector, withSelector: Selector, forClass: AnyClass) {
        let originalMethod = class_getInstanceMethod(forClass, origSelector)
        let swizzledMethod = class_getInstanceMethod(forClass, withSelector)
        method_exchangeImplementations(originalMethod, swizzledMethod)

vlondon

// Includes functions for exporting active sheet or all sheets as JSON object (also Python object syntax compatible).
// Tweak the makePrettyJSON_ function to customize what kind of JSON to export.

var FORMAT_ONELINE   = 'One-line';
var FORMAT_MULTILINE = 'Multi-line';
var FORMAT_PRETTY    = 'Pretty';

var LANGUAGE_JS      = 'JavaScript';
var LANGUAGE_PYTHON  = 'Python';