added?(attribute, message = :invalid, options = {})
public
Returns true if an error on the attribute with the given message
is present, false otherwise. message is treated the same
as for add.
person.errors.add :name, :blank
person.errors.added? :name, :blank
# File activemodel/lib/active_model/errors.rb, line 333
def added?(attribute, message = :invalid, options = {})
message = normalize_message(attribute, message, options)
self[attribute].include? message
end
