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// Algorithm from https://en.wikipedia.org/wiki/Permuted_congruential_generator

struct PRNG: RandomNumberGenerator {

  var state: UInt64 = 0x4d595df4d0f33173
  let multiplier: UInt64 = 6364136223846793005
  let increment: UInt64 = 1442695040888963407

  init(seed: UInt64) {
    state = seed &+ increment

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import Combine


struct Location {
}

//protocol WeatherService {
//  func getTemperature(location: Location) -> AnyPublisher<Double, Error>
//}
//

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//
//  ContentView.swift
//  EditDemo
//
//  Created by Ray Fix on 7/25/20.
//
import SwiftUI

// This is a hack!
func hideKeyboard() {

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//
//  ContentView.swift
//  Ring
//
//  Created by Ray Fix on 6/20/20.
//  Copyright © 2020 Ray Fix. All rights reserved.
//

import SwiftUI

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func combinations<S1: Sequence, S2: Sequence>(_ sequence1: S1, _ sequence2: S2) -> AnySequence<(S1.Element, S2.Element)> {
  AnySequence(
    sequence1.lazy.flatMap { element1 in
      sequence2.lazy.map { element2 in
        (element1, element2)
      }
    }
  )
}

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import SwiftUI
import Combine

final class ViewModel: ObservableObject {
  
  var subs: Set<AnyCancellable> = []
  
  // For some reason this does not work!
  
  init() {

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import SwiftUI

extension View {
  func printType() -> Self {
    print(type(of: self))
    return self
  }
}

// Need to make a key; all it needs is a default value.

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//
//  ContentView.swift
//  Pub
//
//  Created by Ray Fix on 5/16/20.
//  Copyright © 2020 Ray Fix. All rights reserved.
//

import SwiftUI
import Combine

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//
//  ContentView.swift
//
//  Created by Ray Fix on 5/9/20.
//  Copyright © 2020 Ray Fix. All rights reserved.
//

import SwiftUI

struct ContentView: View {

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// Load the Swift Package: https://github.com/AppPear/ChartView


import SwiftUI
import SwiftUICharts
struct ContentView: View {
    @State var tabIndex:Int = 0