chore: move to Go 1.27.1

.github/copilot-instructions.md

@@ -5,7 +5,7 @@ Follows these guidelines precisely to ensure consistency and maintainability of
 
 ## Stack
 
-- Language: Go (Go 1.22+)
+- Language: Go (Go 1.27+)
 - Framework: Go standard library
 - Testing: Go's built-in testing package
 - Dependency Management: Go modules

README.md

@@ -47,7 +47,7 @@ A comprehensive Go package for building and executing HTTP requests with advance
 
 ## Installation
 
-**Requirements:** Go 1.22 or higher
+**Requirements:** Go 1.27 or higher
 
 ```bash
 go get github.com/slashdevops/httpx

example_http_client_test.go

@@ -112,7 +112,7 @@ func ExampleNewClientBuilder_connectionPooling() {
 		Build()
 
 	// Reuse connections efficiently across multiple requests
-	for i := 0; i < 10; i++ {
+	for i := range 10 {
 		resp, err := client.Get(fmt.Sprintf("https://api.example.com/items/%d", i))
 		if err != nil {
 			log.Printf("Request %d failed: %v", i, err)

example_http_retrier_test.go

@@ -13,9 +13,9 @@ import (
 
 // Example demonstrates using exponential backoff.
 func Example() {
-	var requestCount int32
+	var requestCount atomic.Int32
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		count := atomic.AddInt32(&requestCount, 1)
+		count := requestCount.Add(1)
 		if count <= 3 { // Fail first 3 times
 			fmt.Printf("Server: Request %d -> 500 Internal Server Error\n", count)
 			w.WriteHeader(http.StatusInternalServerError)
@@ -60,11 +60,11 @@ func Example() {
 // ExampleNewHTTPRetryClient_withExistingAuth demonstrates how the default client
 // transparently preserves existing authentication headers in requests.
 func ExampleNewHTTPRetryClient_withExistingAuth() {
-	var requestCount int32
+	var requestCount atomic.Int32
 
 	// Create a server that requires authentication
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		count := atomic.AddInt32(&requestCount, 1)
+		count := requestCount.Add(1)
 		auth := r.Header.Get("Authorization")
 
 		if auth == "" {
@@ -107,7 +107,7 @@ func ExampleNewHTTPRetryClient_withExistingAuth() {
 
 	body, _ := io.ReadAll(resp.Body)
 	fmt.Printf("Client: Success! Status=%s, Body='%s'\n", resp.Status, string(body))
-	fmt.Printf("Client: Auth header preserved through %d retries\n", atomic.LoadInt32(&requestCount))
+	fmt.Printf("Client: Auth header preserved through %d retries\n", requestCount.Load())
 
 	// Output:
 	// Client: Making authenticated request...
@@ -167,11 +167,11 @@ func ExampleNewClientBuilder_transparent() {
 // ExampleNewHTTPRetryClient_withCustomTransport demonstrates using a custom base transport
 // with specific transport settings while maintaining transparent retry behavior.
 func ExampleNewHTTPRetryClient_withCustomTransport() {
-	var requestCount int32
+	var requestCount atomic.Int32
 
 	// Create a test server that fails initially to show retry behavior with custom transport
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		count := atomic.AddInt32(&requestCount, 1)
+		count := requestCount.Add(1)
 		fmt.Printf("Server: Request %d from custom transport\n", count)
 
 		if count <= 1 {

go.mod

@@ -1,3 +1,3 @@
 module github.com/slashdevops/httpx
 
-go 1.22.0
+go 1.27.1

http_retrier_test.go

@@ -906,7 +906,7 @@ func TestRetryTransport_ServerExceedsClientTimeout(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		time.Sleep(500 * time.Millisecond) // Server delays response
 		w.WriteHeader(http.StatusOK)
-		w.Write([]byte("OK"))
+		_, _ = w.Write([]byte("OK"))
 	}))
 	defer server.Close()
 
@@ -942,7 +942,7 @@ func TestRetryTransport_LargeTimeoutPreserved(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		time.Sleep(200 * time.Millisecond) // Simulate slow response
 		w.WriteHeader(http.StatusOK)
-		w.Write([]byte("OK"))
+		_, _ = w.Write([]byte("OK"))
 	}))
 	defer server.Close()
 
@@ -979,7 +979,7 @@ func TestRetryTransport_ContextTimeout(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		time.Sleep(500 * time.Millisecond)
 		w.WriteHeader(http.StatusOK)
-		w.Write([]byte("OK"))
+		_, _ = w.Write([]byte("OK"))
 	}))
 	defer server.Close()
 
@@ -1014,7 +1014,7 @@ func TestRetryTransport_ContextCancellation(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		time.Sleep(500 * time.Millisecond)
 		w.WriteHeader(http.StatusOK)
-		w.Write([]byte("OK"))
+		_, _ = w.Write([]byte("OK"))
 	}))
 	defer server.Close()