package main
import (
"fmt"
"time"
)
type field struct {
name string
}
func (p *field) print() {
fmt.Println(p.name)
}
func main() {
data := []field{{"one"},{"two"},{"three"}}
for _,v := range data {
go v.print()
}
time.Sleep(3 * time.Second)
//goroutines print: three, three, three
}
package main
import (
"fmt"
"time"
)
type field struct {
name string
}
func (p *field) print() {
fmt.Println(p.name)
}
func main() {
data := []*field{{"one"},{"two"},{"three"}}
for _,v := range data {
v := v
go v.print()
}
time.Sleep(3 * time.Second)
//goroutines print: one, two, three
}
data := []field{{"one"},{"two"},{"three"}}
for _,v := range data {
pp := (*field).print
go pp(&v) //非 pointer
}
data := []*field{{"one"},{"two"},{"three"}}
for _,v := range data {
pp := (*field).print
go pp(v) // pointer
}
if rand.Intn(100) > 20 {
time.Sleep(1 * time.Second)
}
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