Ashton-W

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steipete

We're working on supporting Bitcode in PSPDFKit but hit a blocking issue with OpenSSL (latest 1.0.2d).

We're using a script that downloads and builds OpenSSL into fat static libraries for both Mac and iOS. I've put the gist here:
https://gist.github.com/steipete/ce09ba176a4b8ef66b2d/bf053eab1c0f8494dcd3748079543c4ed4367b9c

Enabling Bitcode should be as easy as adding `-fembed-bitcode` as clang flag according to this entry. That's exactly what I did.

Now things build, but the script eventually stops with this error:
ld: could not open bitcode temp file: ../libcrypto.a(aes-x86_64.o) for architecture x86_64

mikeash

import Cocoa

enum CoroutineState {
    case Fresh, Running, Blocked, Canceled, Done
}

struct CoroutineCancellation: ErrorType {}

class CoroutineImpl<InputType, YieldType> {
    let body: (yield: YieldType throws -> InputType) throws -> Void

rnapier

import Foundation

// All the complexity needed to avoid this code probably isn't worth it in the majority of cases.
// Particularly note that the data model doesn't 100% line up with the JSON (some keys have
// slightly different names for instance). A system flexible enough to handle that (say, something
// like Go's json.Marshal) would be nice, but this code, while slightly tedious, isn't really bad.
// Basically I'm saying that a richer JSON<->Swift system built into stdlib would be nice, but the
// bar is pretty high to go pulling in a helper library.
//
// That said, compare the Go code below, and I think it really is much simpler, and scales much better

chriseidhof

//  Created by Chris Eidhof on 04-01-16.
//  Copyright © 2016 Chris Eidhof. All rights reserved.
//
// Large parts copy/pasted from https://github.com/Eonil/TCPIPSocket.Swift

import Foundation

struct TCPIPSocketAddress {
    init(_ a:UInt8, _ b:UInt8, _ c:UInt8, _ d:UInt8) {
        let	a1	=	UInt32(a) << 24

steipete

# The trick is to link the DeviceSupport folder from the beta to the stable version.
# sudo needed if you run the Mac App Store version. Always download the dmg instead... you'll thank me later :)

# Support iOS 15 devices (Xcode 13.0) with Xcode 12.5:
sudo ln -s /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/15.0 /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport

# Then restart Xcode and reconnect your devices. You will need to do that for every beta of future iOS versions

# (A similar approach works for older versions too, just change the version number after DeviceSupport)

steipete

// clang -cc1 -analyzer-checker-help
// OVERVIEW: Clang Static Analyzer Checkers List
// USAGE: -analyzer-checker <CHECKER or PACKAGE,...>
// 
// CHECKERS:
//   alpha.core.BoolAssignment       Warn about assigning non-{0,1} values to Boolean variables
//   alpha.core.CallAndMessageUnInitRefArg
//                                   Check for logical errors for function calls and Objective-C message expressions (e.g., uninitialized arguments, null function pointers, and pointer to undefined variables)
//   alpha.core.CastSize             Check when casting a malloc'ed type T, whether the size is a multiple of the size of T
//   alpha.core.CastToStruct         Check for cast from non-struct pointer to struct pointer

simme

//
//  debounce-throttle.swift
//
//  Created by Simon Ljungberg on 19/12/16.
//  License: MIT
//

import Foundation

extension TimeInterval {

myell0w

import Foundation
import UIKit


/// Used to create a layout guide that pins to the top of the keyboard
final class KeyboardLayoutGuide {

    private let notificationCenter: NotificationCenter
    private let bottomConstraint: NSLayoutConstraint

lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision