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-rw-r--r--lib/rdoc/normal_class.rb6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/rdoc/normal_class.rb b/lib/rdoc/normal_class.rb
index eb53e964dd..6729b18448 100644
--- a/lib/rdoc/normal_class.rb
+++ b/lib/rdoc/normal_class.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
##
# A normal class, neither singleton nor anonymous
@@ -47,9 +47,9 @@ class RDoc::NormalClass < RDoc::ClassModule
def to_s # :nodoc:
display = "#{self.class.name} #{self.full_name}"
if superclass
- display << ' < ' << (superclass.is_a?(String) ? superclass : superclass.full_name)
+ display += ' < ' + (superclass.is_a?(String) ? superclass : superclass.full_name)
end
- display << ' -> ' << is_alias_for.to_s if is_alias_for
+ display += ' -> ' + is_alias_for.to_s if is_alias_for
display
end