From 21a3850a6516b38c42f3f9c176e6400fb77afcf0 Mon Sep 17 00:00:00 2001
From: Hugo Abonizio <hugo_abonizio@hotmail.com>
Date: Thu, 12 Apr 2018 13:17:45 -0300
Subject: [PATCH] Ignore alternative names starting with `_`

---
 src/ameba/rule/predicate_name.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ameba/rule/predicate_name.cr b/src/ameba/rule/predicate_name.cr
index 29e0b581..172666e4 100644
--- a/src/ameba/rule/predicate_name.cr
+++ b/src/ameba/rule/predicate_name.cr
@@ -41,7 +41,7 @@ module Ameba::Rule
     def test(source, node : Crystal::Def)
       if node.name =~ /^(is|has)_(\w+)\?/
         alternative = $2
-        return unless alternative =~ /^[a-z_][a-zA-Z_0-9]*$/
+        return unless alternative =~ /^[a-z][a-zA-Z_0-9]*$/
 
         source.error self, node.location,
           "Favour method name '#{alternative}?' over '#{node.name}'"