z_z chienpm304

## sample.swift
import SwiftUI

struct SizeKey: PreferenceKey {
    static func reduce(value: inout CGSize?, nextValue: () -> CGSize?) {
        value = value ?? nextValue()
    }
}
struct ContentView: View {
    @State var width: CGFloat? = nil
    var body: some View {

## TaskConcurrencyManifesto.md

      
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                lattner
                / TaskConcurrencyManifesto.md
            
            
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              June 1, 2024 06:16
            
              
                Swift Concurrency Manifesto
              
          
    Swift Concurrency Manifesto

Author: Chris Lattner
Chinese Translation by Jason Yu
Contents


Introduction
Overall Vision
	import SwiftUI

	struct SizeKey: PreferenceKey {
	static func reduce(value: inout CGSize?, nextValue: () -> CGSize?) {
	value = value ?? nextValue()
	}
	}
	struct ContentView: View {
	@State var width: CGFloat? = nil
	var body: some View {