replace handwritten generated code with actual generated code

example/generated.go

@@ -0,0 +1,61 @@
+package example
+
+import (
+	"context"
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/vektah/gqlparser/gqlerror"
+)
+
+type GetViewerResponse = struct {
+	Viewer struct {
+		Name *string
+	}
+}
+
+// TODO
+func GetViewer(ctx context.Context) (*GetViewerResponse, error) {
+	req, err := http.NewRequest(
+		http.MethodPost,
+		`https://api.github.com/graphql`,
+		strings.NewReader(`
+query GetViewer {
+	Viewer: viewer {
+		Name: name
+	}
+}
+`))
+	if err != nil {
+		return nil, err
+	}
+
+	req = req.WithContext(ctx)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+
+	var retval struct {
+		Data   GetViewerResponse `json:"data"`
+		Errors gqlerror.List     `json:"errors"`
+	}
+	err = json.Unmarshal(body, &retval)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(retval.Errors) > 0 {
+		return nil, retval.Errors
+	}
+
+	return &retval.Data, nil
+}