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31 lines
830 B
31 lines
830 B
// Copyright 2014 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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package context_test |
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import ( |
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"fmt" |
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"time" |
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"golang.org/x/net/context" |
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) |
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// This example passes a context with a timeout to tell a blocking function that |
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// it should abandon its work after the timeout elapses. |
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func ExampleWithTimeout() { |
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// Pass a context with a timeout to tell a blocking function that it |
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// should abandon its work after the timeout elapses. |
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ctx, cancel := context.WithTimeout(context.Background(), 50*time.Millisecond) |
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defer cancel() |
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select { |
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case <-time.After(1 * time.Second): |
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fmt.Println("overslept") |
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case <-ctx.Done(): |
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fmt.Println(ctx.Err()) // prints "context deadline exceeded" |
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} |
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// Output: |
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// context deadline exceeded |
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}
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