lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision

gaquino

If you are facing an error like that on new MacOS version.

xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun

It means that you need to install XCode command line, open a Terminal and run this command:

$ xcode-select --install

Note:
If you want to download and install Command Line tools manually, it can be downloaded from: https://developer.apple.com/download/more/

TheMuellenator

//Don't change this
var aYear =  Int(readLine()!)!

func isLeap(year: Int) {
    
    var leap = "NO"
    
    //IF divisible by 4 with no remainders.
    if year % 4 == 0 {
        leap = "YES"

TheMuellenator

//Don't change this
var studentsAndScores = ["Amy": Int(readLine()!)!, "James": Int(readLine()!)!, "Helen": Int(readLine()!)!]

func highestScore(scores: [String: Int]) {
  
  //Write your code here.
  let a = studentsAndScores["Amy"]!
  let b = studentsAndScores["James"]!
  let c = studentsAndScores["Helen"]!

insidegui

# Add this to a "Run Script" build phase in your app's main target, as the last step.
# It will use the pluginkit command-line tool to force the plugin system on macOS to add your extensions to its database, making them available.
# I made this specifically for widgets, but it should work for pretty much any extension type (appex bundle).

find $CODESIGNING_FOLDER_PATH -name '*.appex' -exec pluginkit -a {} \;

NikolajMosbaek

@Environment(\.accessibilityReduceMotion) var reduceMotion

func withOptionalAnimation<Result>(_ animation: Animation? = .default, _ body: () throws -> Result) rethrows -> Result {
	if UIAccessibility.isReduceMotionEnabled {
		return try body()
	} else {
		return try withAnimation(animation, body)
	}
}