zlib-go/run/receiver/main.go

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2023-09-15 21:32:20 +08:00
package main
import "fmt"
type demo struct {
Val int
}
func (d *demo) change() {
d = nil // Assignment to the method receiver propagates only to callees but not to callers
d.myVal()
}
func (d *demo) myVal() {
fmt.Printf("my val: %#v\n", d)
}
func (d demo) change2() {
d = demo{} // Assignment to the method receiver doesn't propagate to other calls
d.myVal()
}
func (d *demo) change3() {
d.Val = 3
d.myVal()
}
func main() {
d := &demo{}
d.myVal()
d.change()
d.myVal()
d.Val = 2
d.change2()
}