Class: Bibliography

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/biblio/biblio.rb

Direct Known Subclasses

Article, Book, Electronic

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(autor, title, date, editorial) ⇒ Bibliography

Returns a new instance of Bibliography.



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# File 'lib/biblio/biblio.rb', line 9

def initialize (autor,title,date,editorial)
    @author = autor 
    @title = title
    @date = date
end

Instance Attribute Details

#author ⇒ Object

Returns the value of attribute author.



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# File 'lib/biblio/biblio.rb', line 5

def author
  @author
end

#date ⇒ Object

Returns the value of attribute date.



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# File 'lib/biblio/biblio.rb', line 5

def date
  @date
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/biblio/biblio.rb', line 5

def title
  @title
end

Instance Method Details

#<=>(other) ⇒ Object 



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# File 'lib/biblio/biblio.rb', line 15

def <=>(other)
     
    if (@author != other.author)
    @author <=> other.author
    elsif(@date != other.date)
    @date <=> other.date
    else
    @title <=> other.title
    end
     
end

#==(other) ⇒ Object 



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# File 'lib/biblio/biblio.rb', line 27

def ==(other)
    
    @title == other.title
    
end