// bulma/atomic_value_trap.go package main import ( "fmt" "sync/atomic" ) func main() { var v atomic.Value v.Store("initial string") // 首次存储 string // ❌ 错误:尝试存储不同类型的值(会 panic!) defer func() { if r := recover(); r != nil { fmt.Println("⚠️ 捕获 panic:", r) fmt.Println("✅ 正确做法:始终存储相同类型(推荐指针)") } }() v.Store(123) // 运行时 panic: sync/atomic: store of inconsistently typed value into Value }