has_attribute?(attr_name)
Instance Public methods
Returns true if the given attribute is in the attributes hash,
otherwise false.
1 2 3 4 5 6 7 | class Person < ActiveRecord::Baseendperson = Person.newperson.has_attribute?(:name) # => trueperson.has_attribute?('age') # => trueperson.has_attribute?(:nothing) # => false |
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