From 4d08889a7c00ead60107b52cc4ff70d50cc07e7c Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@schirp-dso.com>
Date: Sun, 29 Jun 2014 22:21:47 +0000
Subject: [PATCH] Prefer String#chomp over String#sub

---
 lib/mutant/ast/node_predicates.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mutant/ast/node_predicates.rb b/lib/mutant/ast/node_predicates.rb
index 262acf82..b3143d8d 100644
--- a/lib/mutant/ast/node_predicates.rb
+++ b/lib/mutant/ast/node_predicates.rb
@@ -6,7 +6,7 @@ module Mutant
       Types::ALL.each do |type|
         fail "method: #{type} is already defined" if instance_methods(true).include?(type)
 
-        name = "n_#{type.to_s.sub(/\??\z/, '?')}"
+        name = "n_#{type.to_s.chomp('?')}?"
 
         define_method(name) do |node|
           node.type.equal?(type)