YusukeHosonuma

ref: https://zenn.dev/tobi462/articles/03b9a3b55f6bd6

swhitty

extension Task where Failure == Error {

  // Start a new Task with a timeout. If the timeout expires before the operation is 
  // completed then the task is cancelled and an error is thrown.
  init(priority: TaskPriority? = nil, timeout: TimeInterval, operation: @escaping @Sendable () async throws -> Success) {
    self = Task(priority: priority) {
      try await withThrowingTaskGroup(of: Success.self) { group -> Success in
        group.addTask(operation: operation)
        group.addTask {
          try await _Concurrency.Task.sleep(nanoseconds: UInt64(timeout * 1_000_000_000))

nathanqthai

eneko

//
//  LRUCacheActor.swift
//  LRUCacheActor
//
//  Created by Eneko Alonso on 9/5/21.
//

import Foundation
import OrderedCollections

Bunn

import lldb

def __lldb_init_module(debugger, internal_dict):
    debugger.HandleCommand('command script add -f SwiftPrinter.printer pjson')

def printer(debugger, command, result, internal_dict):
    debugger.HandleCommand('p print(String(data: try! JSONSerialization.data(withJSONObject:' + command + ', options: .prettyPrinted), encoding: .utf8 )!)')

twostraws

// A URLSession extension that fetches data from a URL and decodes to some Decodable type.
// Usage: let user = try await URLSession.shared.decode(UserData.self, from: someURL)
// Note: this requires Swift 5.5.
extension URLSession {
    func decode<T: Decodable>(
        _ type: T.Type = T.self,
        from url: URL,
        keyDecodingStrategy: JSONDecoder.KeyDecodingStrategy = .useDefaultKeys,
        dataDecodingStrategy: JSONDecoder.DataDecodingStrategy = .deferredToData,
        dateDecodingStrategy: JSONDecoder.DateDecodingStrategy = .deferredToDate

jemmons

import Foundation
typealias Continuation<Ret> = (Ret) -> Void
typealias ContinuationMonad<Value> = (@escaping Continuation<Value>) -> Void
typealias Transform<T,U> = (T) -> ContinuationMonad<U>


func async<Value>(_ wrappedValue: Value) -> ContinuationMonad<Value> {
  { $0(wrappedValue) }
}

jpsim

extension Array {
  func parallelMap<T>(transform: (Element) -> T) -> [T] {
    var result = ContiguousArray<T?>(repeating: nil, count: count)
    return result.withUnsafeMutableBufferPointer { buffer in
      DispatchQueue.concurrentPerform(iterations: buffer.count) { idx in
        buffer[idx] = transform(self[idx])
      }
      return buffer.map { $0! }
    }
  }

manmal

import SwiftUI

@MainActor
class PhotoStore: ObservableObject {
    @Published private(set) var isSaving: Bool = false

    // Made nonisolated because Playgrounds does not run on
    // @MainActor. There's probably a cleaner way of doing this
    nonisolated init() {}

denisenepraunig

//
//  BreathAnimation.swift
//  breathing-animation
//
//  Created by Denise Nepraunig on 17.05.21.
//
//  Code is based on this tutorial:
//  https://www.youtube.com/watch?v=KUvkJOhpB9A
//  Thanks Adam :-)