httphandlefunc get request in go

main.go
package main

import (
	"fmt"
	"net/http"
)

func handlerFunc(w http.ResponseWriter, r *http.Request) {
	fmt.Fprintf(w, "Hello, World!")
}

func main() {
	http.HandleFunc("/", handlerFunc)
	http.ListenAndServe(":8080", nil)
}
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