cr suggestion

context.go

@@ -9,8 +9,6 @@ const (
 	requestLimitKey
 )
 
-const _NoLimit = -1
-
 func WithIncrement(ctx context.Context, value int) context.Context {
 	return context.WithValue(ctx, incrementKey, value)
 }
@@ -21,7 +19,7 @@ func getIncrement(ctx context.Context) (int, bool) {
 }
 
 func WithNoLimit(ctx context.Context) context.Context {
-	return context.WithValue(ctx, requestLimitKey, _NoLimit)
+	return context.WithValue(ctx, requestLimitKey, -1)
 }
 
 func WithRequestLimit(ctx context.Context, value int) context.Context {

limiter.go

@@ -78,20 +78,20 @@ func (l *RateLimiter) OnLimit(w http.ResponseWriter, r *http.Request, key string
 	if !ok {
 		limit = l.requestLimit
 	}
-	// If the limit is set to 0, we are always over limit
+	// If the limit is set to 0, we always limit
 	if limit == 0 {
 		return true
 	}
-	// If the limit is set to -1, we are never over limit
-	if limit == _NoLimit {
+	// If the limit is set to -1, there is no limit
+	if limit == -1 {
 		return false
 	}
 
 	increment, ok := getIncrement(r.Context())
 	if !ok {
 		increment = 1
 	}
-	// If the increment is 0, we are always on limit
+	// If the increment is 0, we do not limit
 	if increment == 0 {
 		return false
 	}