package main
import "fmt"
type Vertex struct {
X int
Y int
}
func main() {
p := Vertex{1, 2}
q := &p
q.X = 1e9
fmt.Println(p)
}
package main
import (
"fmt"
"time"
)
func testTimer1() {
go func() {
fmt.Println("test timer1")
}()
}
func testTimer2() {
go func() {
fmt.Println("test timer2")
}()
}
func timer1() {
timer1 := time.NewTicker(1 * time.Second)
for {
select {
case <-timer1.C:
testTimer1()
}
}
}
func timer2() {
timer2 := time.NewTicker(2 * time.Second)
for {
select {
case <-timer2.C:
testTimer2()
}
}
}
func main() {
go timer1()
timer2()
}