Koshimizu-Takehito

import SwiftUI

// Xcode: 16.0
// Swift: 6.0
struct EnumPicker<Enum>: View where Enum: CaseIterable & Hashable, Enum == Enum.AllCases.Element, Enum.AllCases: RandomAccessCollection {
    @Binding var selection: Enum

    var body: some View {
        Picker(String(describing: Enum.self), selection: $selection) {
            ForEach(Enum.allCases, id: \.self) { value in

Koshimizu-Takehito

import Foundation

class StreamReader {
    let encoding: String.Encoding
    let chunkSize: Int
    let fileHandle: FileHandle
    var buffer: Data
    let delimPattern : Data
    var isAtEOF: Bool = false