read all elements

accounts.go

@@ -111,7 +111,7 @@ func (c *Client) GetAccountFollowers(ctx context.Context, id int64) ([]*Account,
 		if !next {
 			break
 		}
-		time.Sleep(10 * time.Second)
+		time.Sleep(c.interval)
 	}
 	return total, nil
 }

mastodon.go

@@ -13,6 +13,7 @@ import (
 	"path"
 	"path/filepath"
 	"strings"
+	"time"
 )
 
 // Config is a setting for access mastodon APIs.
@@ -27,6 +28,7 @@ type Config struct {
 type Client struct {
 	http.Client
 	config   *Config
+	interval time.Duration
 }
 
 type page struct {
@@ -135,6 +137,7 @@ func NewClient(config *Config) *Client {
 	return &Client{
 		Client:   *http.DefaultClient,
 		config:   config,
+		interval: 10 * time.Second,
 	}
 }