Ruby attr_accessor, Ruby @ member variables and temporary variables

# Class describ ------ rdoc rules
# = Headers
# This is header content
#== Sub Header
# This is sub header content
#=== Sub Header
# This is sub Header
Class animal

Attr_accessor: name # ------------- ①
 
# This is the comment for the 'new' method!
 
Def initialize type
Name = type # ------------- ②
End

# This is comment for 'shout' Method
# Second line
# * This is sub line 1
# * This is sub Line 2
 
Def shout
If name = 'Dog'
Puts "Wang! Wang! "
Elsif name = 'cat'
Puts "Miao! Miao! "
Elsif name = Nil
Puts "nil"
Else
Puts "Kao! "
End
End

End

Dog = animal. New "dog"
Puts dog. Name
Dog. Shout
Dog. Name = "cat"
Dog. Shout

The output of this program is:

Nil

Miao! Miao!

-----------------

①: Member variables

②: Temporary variables

Attr_accessor indicates that the next member is a class member and provides external access capabilities for it. That is, it is equivalent to providing get; set;