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- package main
- import (
- "fmt"
- "runtime"
- "sync"
- )
- var wg sync.WaitGroup
- func init() {
- fmt.Println("OS\t\t", runtime.GOOS)
- fmt.Println("ARCH\t\t", runtime.GOARCH)
- fmt.Println("CPUs\t\t", runtime.NumCPU())
- fmt.Println("Goroutines\t", runtime.NumGoroutine())
- }
- func main() {
- wg.Add(1)
- go foo()
- bar()
- wg.Wait()
- }
- func foo() {
- for i := 0; i < 10; i++ {
- fmt.Println("foo:", i)
- }
- wg.Done()
- }
- func bar() {
- for i := 0; i < 10; i++ {
- fmt.Println("bar:", i)
- }
- }
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