HTTP with Context

import "golang.org/x/net/context/ctxhttp"

// Do sends an HTTP request with the provided http.Client and returns an HTTP response
func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error)

// Get issues a GET request via the Do function
func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error)

// Head issues a HEAD request via the Do function
func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error)

// Post issues a POST request via the Do function
func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error)

// PostForm issues a POST request via the Do function
func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error)

import (
    "context"
    "fmt"
    "golang.org/x/net/context/ctxhttp"
    "net/http"
    "time"
)

func fetchWithTimeout(url string) error {
    // Create context with timeout
    ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
    defer cancel()

    // Make GET request with context
    resp, err := ctxhttp.Get(ctx, nil, url)
    if err != nil {
        return err
    }
    defer resp.Body.Close()

    fmt.Println("Status:", resp.Status)
    return nil
}

func postData(url string, data io.Reader) error {
    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
    defer cancel()

    resp, err := ctxhttp.Post(ctx, nil, url, "application/json", data)
    if err != nil {
        return err
    }
    defer resp.Body.Close()

    return nil
}

func fetchWithCustomClient(url string) error {
    client := &http.Client{
        Timeout: 30 * time.Second,
    }

    ctx := context.Background()
    resp, err := ctxhttp.Get(ctx, client, url)
    if err != nil {
        return err
    }
    defer resp.Body.Close()

    return nil
}