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