Mr-Alirezaa
/ DebugPrinterView.swift
Created
November 29, 2022 22:58
DebugPrinterView may be used to print expressions into Xcode canvas (just as print function writes to Xcode console)
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| import SwiftUI | |
| import Foundation | |
| @resultBuilder | |
| struct DebugPrinterContentBuilder { | |
| static func convertItems(_ items: [Any]) -> [String] { | |
| items.map { item in | |
| var buffer: String = "" | |
| print(item, terminator: "", to: &buffer) | |
| return buffer |
Mr-Alirezaa
/ CachingWithActorExample.swift
Last active
October 30, 2022 07:37
This is an example of using swift actor type to handle downloading of images from URLs and avoid problems caused by "Actor Reentrancy".
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| // See: https://stackoverflow.com/a/70595187/8249180 | |
| actor ImageDownloader { | |
| private enum CacheEntry { | |
| case inProgress(Task<Image, Error>) | |
| case ready(Image) | |
| } | |
| private var cache: [URL: CacheEntry] = [:] |
Mr-Alirezaa
/ User Agent.swift
Last active
July 29, 2019 05:00
This piece of code generates a User-Agent string based on the app name, os and arc. If you are using xcode you will see a placeholder instead of <#Your Class Name#>. Replace it with a name of a class in your bundle.
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| let userAgent: String = { | |
| var components: [String] = [] | |
| if let appName = Bundle.main.infoDictionary?["CFBundleName"] as? String ?? Bundle.main.infoDictionary?["CFBundleIdentifier"] as? String { | |
| let version = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String ?? "" | |
| components.append("\(appName)/\(version)") | |
| } | |
| // Replace Your bundle name | |
| let libraryBundle: Bundle? = Bundle(for: <#Your Class Name#>.self) |