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-rw-r--r--activemodel/lib/active_model/errors.rb2
1 files changed, 2 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 1b46727351..9105ef5dd6 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -98,6 +98,8 @@ module ActiveModel
end
# aliases include?
alias :has_key? :include?
+ # aliases include?
+ alias :key? :include?
# Get messages for +key+.
#