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example context with timeout golang

David Betagen answered on January 19, 2024 Popularity 6/10 Helpfulness 9/10

answer example context with timeout golang

example context with timeout golang

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package main

import (
	"context"
	"fmt"
	"time"
)

func main() {
	// Create a context with a timeout of 2 seconds
	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
	defer cancel()

	// Simulate a time-consuming operation
	result, err := performOperation(ctx)
	if err != nil {
		fmt.Println("Error:", err)
		return
	}

	fmt.Println("Result:", result)
}

func performOperation(ctx context.Context) (string, error) {
	// Create a channel to simulate an asynchronous operation
	ch := make(chan string)

	// Start a goroutine to simulate a time-consuming operation
	go func() {
		// Simulate some work
		time.Sleep(3 * time.Second)

		// Send the result to the channel
		ch <- "Operation completed successfully"
	}()

	select {
	case result := <-ch:
		return result, nil
	case <-ctx.Done():
		// The context was canceled due to timeout or other reasons
		return "", ctx.Err()
	}
}

Popularity 6/10 Helpfulness 9/10 Language go

Source: Grepper

Tags: go timeout

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Contributed on Jan 19 2024

David Betagen

0 Answers Avg Quality 2/10

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