rfc: doPOSTRequestNoResponseBody (#654)

Co-authored-by: Ye Chen <127243817+yec-akamai@users.noreply.github.com>

instances.go

@@ -487,15 +487,13 @@ type InstanceUpgradeOptions struct {
 // UpgradeInstance upgrades a Linode to its next generation.
 func (c *Client) UpgradeInstance(ctx context.Context, linodeID int, opts InstanceUpgradeOptions) error {
 	e := formatAPIPath("linode/instances/%d/mutate", linodeID)
-	_, err := doPOSTRequest[Instance](ctx, c, e, opts)
-	return err
+	return doPOSTRequestNoResponseBody(ctx, c, e, opts)
 }
 
 // MigrateInstance - Migrate an instance
 func (c *Client) MigrateInstance(ctx context.Context, linodeID int, opts InstanceMigrateOptions) error {
 	e := formatAPIPath("linode/instances/%d/migrate", linodeID)
-	_, err := doPOSTRequest[Instance](ctx, c, e, opts)
-	return err
+	return doPOSTRequestNoResponseBody(ctx, c, e, opts)
 }
 
 // simpleInstanceAction is a helper for Instance actions that take no parameters

request_helpers.go

@@ -149,6 +149,18 @@ func doPOSTRequest[T, O any](
 	return r.Result().(*T), nil
 }
 
+// doPOSTRequest runs a POST request using the given client, API endpoint,
+// and options/body. It expects only empty response from the endpoint.
+func doPOSTRequestNoResponseBody[T any](
+	ctx context.Context,
+	client *Client,
+	endpoint string,
+	options ...T,
+) error {
+	_, err := doPOSTRequest[any, T](ctx, client, endpoint, options...)
+	return err
+}
+
 // doPUTRequest runs a PUT request using the given client, API endpoint,
 // and options/body.
 func doPUTRequest[T, O any](