cockscomb

class SwiftFormat < Formula
  desc "Formatting technology for Swift source code"
  homepage "https://github.com/apple/swift-format"
  url "https://github.com/apple/swift-format.git", :branch => "swift-5.1-branch"
  head "https://github.com/apple/swift-format.git"

  depends_on :xcode => ["11.0", :build]

  def install
    system "swift", "build", "--configuration", "release",

ddddxxx

// This file is based largely on the Runtime package - https://github.com/wickwirew/Runtime

extension KeyPath {
    
    var fieldName: String? {
        guard let offset = MemoryLayout<Root>.offset(of: self) else {
            return nil
        }
        let typePtr = unsafeBitCast(Root.self, to: UnsafeMutableRawPointer.self)
        let metadata = typePtr.assumingMemoryBound(to: StructMetadata.self)

nikolay-n

ACTIVITY_LOG_STDERR
AEConvertBookmarksToAliasesHack
AEDebugFull
AEDebugReceives
AEDebugSends
ALLOWED_GPU_IDS
APPLE_FRAMEWORKS_ROOT
ARCH
ASL_DISABLE
ASL_QUOTA_DISABLED

Catfish-Man

import Foundation

func examine(_ str: String) {
    print("\"\(str)\"")
    print("bridges as: \(type(of: str as NSString))")
    str.withCString {
        print("inits an NSString as: \(type(of: NSString(cString: $0, encoding: String.Encoding.ascii.rawValue)!))")
    }
    print("\n")
}

kconner

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

bfahey

import UIKit
import ObjectiveC.runtime

/// An enum that displays UIKitCore's `UIDebuggingInformationOverlay`.
enum DebuggingOverlay {

    /// Shows the `UIDebuggingInformationOverlay`.
    @available(iOS 13, *)
    static func show() {
        struct Once {