How to properly initialize an empty slice in Go: var s []int vs s := make([]int, 0)?

Hi everyone! I recently started learning Go and encountered a problem with initializing empty slices. There seem to be two popular ways: 1. `var s []int` — declaration without initialization (nil slice) 2. `s := make([]int, 0)` — initialization with an empty slice using make I've read that both options can be used, and in some cases they behave the same. For example, if I do `fmt.Println(s)`, both output `[]`. But I noticed strange behavior during JSON serialization. Here's an example: ```go package main import ( "encoding/json" "fmt" ) type MyStruct struct { Items []string } func main() { s1 := MyStruct{} s2 := MyStruct{Items: []string{}} json1, _ := json.Marshal(s1) json2, _ := json.Marshal(s2) fmt.Println(str