27 lines
677 B
Go
27 lines
677 B
Go
// Copyright 2014 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package context_test
|
|
|
|
import (
|
|
"fmt"
|
|
"time"
|
|
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
func ExampleWithTimeout() {
|
|
// Pass a context with a timeout to tell a blocking function that it
|
|
// should abandon its work after the timeout elapses.
|
|
ctx, _ := context.WithTimeout(context.Background(), 100*time.Millisecond)
|
|
select {
|
|
case <-time.After(200 * time.Millisecond):
|
|
fmt.Println("overslept")
|
|
case <-ctx.Done():
|
|
fmt.Println(ctx.Err()) // prints "context deadline exceeded"
|
|
}
|
|
// Output:
|
|
// context deadline exceeded
|
|
}
|