Goroutines：ベーシック

sample.go

package main

import (
  "fmt"
  "time"
)

func say( s string ) {
  for i := 0; i < 5; i++ {
    fmt.Println( i, s );
    time.Sleep(100 * time.Millisecond)
  }
}

func main() {
  go say( "first" )
  say( "second" )
}

sample.nooutput.go

package main

import (
  "fmt"
  "time"
)

func say( s string ) {
  for i := 0; i < 5; i++ {
    fmt.Println( i, s );
    time.Sleep(100 * time.Millisecond)
  }
}

func main() {
  go say( "first" )
}

sample.sleep.go

package main

import (
  "fmt"
  "time"
)

func say( s string ) {
  for i := 0; i < 5; i++ {
    fmt.Println( i, s );
    time.Sleep(100 * time.Millisecond)
  }
}

func main() {
  go say( "first" )
  time.Sleep(1 * time.Millisecond)
  say( "second" )
}