mykolaharmash

import SwiftUI

struct CounterView: View {
  @State var count = 0
  
  var body: some View {
    Text(String(count))
    Button("+ 1", action: { count = count + 1 })
  }
}

mykolaharmash

import SwiftUI

class Counter: ObservableObject {
  @Published var count: Int
  
  init(_ count: Int) {
    self.count = count
  }
  
  func increment() {

mykolaharmash

import SwiftUI

class Counter: ObservableObject {
  @Published var count: Int
  
  init(_ count: Int) {
    self.count = count
  }
  
  func increment() {

mykolaharmash

import SwiftUI

class Counter: ObservableObject {  
  @Published var count: Int
  
  init(_ count: Int) {
    self.count = count
  }
  
  func increment() {

mykolaharmash

import SwiftUI

class Counter {
  var count: Int
  
  init(_ count: Int) {
    self.count = count
  }
  
  func increment() {

mykolaharmash

import SwiftUI

class Counter {
  var count: Int
  
  init(_ count: Int) {
    self.count = count
  }
  
  func increment() {

mykolaharmash

import SwiftUI

struct Counter: View {
  @State var count: Int = 0
  
  init() {
    print("Counter Created")
  }
  
  var body: some View {

mykolaharmash

-- put into ~/.hammerspoon
-- map Caps Lock key to Control in macOS settings (Keyboard -> Modifier Keys...)
-- Give all the accessability permissions in Hammerspoon preferences

local function pressFn(mods, key)
	if key == nil then
		key = mods
		mods = {}
	end

mykolaharmash

export class Maybe<T> {
  value: T | null

  constructor(value: T | null) {
    this.value = value
  }

  static property<P>(value: P | undefined): Maybe<P> {
    if (value === undefined) {
      return new Maybe<P>(null)

mykolaharmash

function square (x) {
  return [x * x, () => console.log(x * x)]
}

function feet (x) {
  return [x * 3.28084, () => console.log(x * 3.28084)]
}

function compose (fn1, fn2) {
  return (x) => fn2(fn1(x))