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Attribute lookup

suggest change

Attributes can be accessed strings and symbols as keys. Numerical indexes also work. 

Person = Struct.new :name
alice = Person.new 'Alice'

alice['name']  # => "Alice"
alice[:name]   # => "Alice"
alice[0]       # => "Alice"
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Struct:
* Struct
* Creating new structures for data
* Customizing a structure class
* Attribute lookup
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