use RateLimiter interface instead of x/time/rate

client.go

@@ -23,8 +23,6 @@ import (
 	"strings"
 	"sync"
 	"time"
-
-	"golang.org/x/time/rate"
 )
 
 const (
@@ -154,7 +152,7 @@ type Client struct {
 	errorHooks          []ErrorHook
 	invalidHooks        []ErrorHook
 	panicHooks          []ErrorHook
-	rateLimiter         *rate.Limiter
+	rateLimiter         RateLimiter
 }
 
 // User type is to hold an username and password information
@@ -925,7 +923,7 @@ func (c *Client) SetOutputDirectory(dirPath string) *Client {
 
 // SetRateLimiter sets an optional `*rate.Limiter`. If set the rate limiter will control
 // all requests made with this client.
-func (c *Client) SetRateLimiter(rl *rate.Limiter) *Client {
+func (c *Client) SetRateLimiter(rl RateLimiter) *Client {
 	c.rateLimiter = rl
 	return c
 }

util.go

@@ -6,6 +6,7 @@ package resty
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"io"
 	"log"
@@ -64,6 +65,16 @@ func (l *logger) output(format string, v ...interface{}) {
 	l.l.Printf(format, v...)
 }
 
+//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+// Rate Limiter interface
+//_______________________________________________________________________
+
+type RateLimiter interface {
+	Allow() bool
+}
+
+var ErrRateLimitExceeded = errors.New("rate limit exceeded")
+
 //‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
 // Package Helper methods
 //_______________________________________________________________________