33 lines
637 B
Go
33 lines
637 B
Go
package main
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import "fmt"
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type Person4 struct {
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Name string
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Age int
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}
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// closureEscape 返回闭包，捕获的变量逃逸
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func closureEscape() func() *Person4 {
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p := &Person4{Name: "Closure Person", Age: 30} // p 逃逸至堆
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return func() *Person4 {
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return p // 闭包引用p，延长其生命周期
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}
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}
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// goroutineClosure 协程中使用闭包，捕获变量逃逸
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func goroutineClosure() {
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x := 100 // x 逃逸至堆
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go func() {
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fmt.Printf("协程闭包捕获：%d\n", x)
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}()
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}
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func main() {
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closureFunc := closureEscape()
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p := closureFunc()
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fmt.Printf("闭包捕获变量：%+v\n", *p)
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goroutineClosure()
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}
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