Theme Toggle - Go Typing CST Test

Theme Toggle — Go Code

Toggles a dark/light theme flag concurrently.

package main

import (
	"fmt"
	"sync"
)

func main() {
	var isDark bool
	var mu sync.Mutex
	var wg sync.WaitGroup

	toggle := func() {
		mu.Lock()
		isDark = !isDark
		fmt.Println("Theme:", map[bool]string{true: "Dark", false: "Light"}[isDark])
		mu.Unlock()
	}

	for i := 0; i < 3; i++ {
		wg.Add(1)
		go func() { defer wg.Done(); toggle() }()
	}

	wg.Wait()
}

Go Language Guide

Go (Golang) is a statically typed, compiled programming language designed at Google. It emphasizes simplicity, concurrency, and high-performance networking and system programming, making it ideal for cloud services, web backends, and distributed systems.

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