From cdf0405496c6b5e86e120550281f4540d3be38f1 Mon Sep 17 00:00:00 2001
From: Sijawusz Pur Rahnama <sija@sija.pl>
Date: Thu, 1 Dec 2022 00:15:09 +0100
Subject: [PATCH] Refactor `Style/IsANil` rule to use newly added `path_named?`
 helper

---
 src/ameba/rule/style/is_a_nil.cr | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ameba/rule/style/is_a_nil.cr b/src/ameba/rule/style/is_a_nil.cr
index 72568b3a..8b075385 100644
--- a/src/ameba/rule/style/is_a_nil.cr
+++ b/src/ameba/rule/style/is_a_nil.cr
@@ -20,19 +20,19 @@ module Ameba::Rule::Style
   #   Enabled: true
   # ```
   class IsANil < Base
+    include AST::Util
+
     properties do
       description "Disallows calls to `is_a?(Nil)` in favor of `nil?`"
     end
 
-    MSG            = "Use `nil?` instead of `is_a?(Nil)`"
-    PATH_NIL_NAMES = %w(Nil)
+    MSG = "Use `nil?` instead of `is_a?(Nil)`"
 
     def test(source, node : Crystal::IsA)
       return if node.nil_check?
 
       const = node.const
-      return unless const.is_a?(Crystal::Path)
-      return unless const.names == PATH_NIL_NAMES
+      return unless path_named?(const, "Nil")
 
       issue_for const, MSG
     end