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package joincontext_test
import (
"fmt"
"time"
"github.com/LK4D4/joincontext"
"golang.org/x/net/context"
)
func ExampleJoin() {
ctx1, cancel1 := context.WithCancel(context.Background())
defer cancel1()
ctx2 := context.Background()
ctx, cancel := joincontext.Join(ctx1, ctx2)
defer cancel()
select {
case <-ctx.Done():
default:
fmt.Println("context alive")
}
cancel1()
// give some time to propagate
time.Sleep(100 * time.Millisecond)
select {
case <-ctx.Done():
fmt.Println(ctx.Err())
default:
}
// Output: context alive
// context canceled
}
|
