more cleanup

internal/stdlib/fetch.go

@@ -31,9 +31,6 @@ type RequestInit struct {
 }
 
 func (o *RequestInit) Validate() error {
-	if o.Method == "" {
-		o.Method = "GET"
-	}
 	return nil
 }
 
@@ -44,35 +41,20 @@ type Response struct {
 	Headers map[string]string `json:"headers"`
 }
 
-type AddArgs struct {
-	A int `json:"a"`
-	B int `json:"b"`
-}
-
-func (a AddArgs) Validate() error {
-	return nil
-}
-
-type GreetArgs struct {
-	Name string `json:"name"`
-}
-
-func (g GreetArgs) Validate() error {
-	return nil
-}
-
-func Fetch(_ context.Context, args FetchArgs) (Response, error) {
+func Fetch(ctx context.Context, args FetchArgs) (Response, error) {
 	method := "GET"
 	headers := make(map[string]string)
 
 	if args.Init != nil {
-		method = args.Init.Method
+		if args.Init.Method != "" {
+			method = args.Init.Method
+		}
 		if args.Init.Headers != nil {
 			maps.Copy(headers, args.Init.Headers)
 		}
 	}
 
-	req, err := http.NewRequest(method, args.Input, nil)
+	req, err := http.NewRequestWithContext(ctx, method, args.Input, nil)
 	if err != nil {
 		return Response{}, fmt.Errorf("failed to create request: %w", err)
 	}