Godeps/_workspace/src/golang.org/x/net/context/withtimeout_test.go


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// 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
}