Class: Lista
Instance Attribute Summary collapse
-
#head ⇒ Object
readonly
Returns the value of attribute head.
-
#tail ⇒ Object
readonly
Returns the value of attribute tail.
Instance Method Summary collapse
- #each {|@head| ... } ⇒ Object
- #extract_head ⇒ Object
- #extract_tail ⇒ Object
-
#initialize ⇒ Lista
constructor
A new instance of Lista.
- #insert(value) ⇒ Object
- #insert_many(v1, v2, v3) ⇒ Object
Constructor Details
#initialize ⇒ Lista
Returns a new instance of Lista
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# File 'lib/pr06/lista_d.rb', line 12 def initialize @head=nil @tail=nil end |
Instance Attribute Details
#head ⇒ Object (readonly)
Returns the value of attribute head
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# File 'lib/pr06/lista_d.rb', line 11 def head @head end |
#tail ⇒ Object (readonly)
Returns the value of attribute tail
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# File 'lib/pr06/lista_d.rb', line 11 def tail @tail end |
Instance Method Details
#each {|@head| ... } ⇒ Object
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# File 'lib/pr06/lista_d.rb', line 59 def each yield @head yield @tail end |
#extract_head ⇒ Object
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# File 'lib/pr06/lista_d.rb', line 44 def extract_head if head ==nil puts "No hay nada que extraer" else lista.pop head end end |
#extract_tail ⇒ Object
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# File 'lib/pr06/lista_d.rb', line 52 def extract_tail if head ==nil puts "No hay nada que extraer" else lista.pop tail end end |
#insert(value) ⇒ Object
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# File 'lib/pr06/lista_d.rb', line 18 def insert(value) if head ==nil head.Node.new(value,nil,nil) lista.push head else lista.push value end end |
#insert_many(v1, v2, v3) ⇒ Object
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# File 'lib/pr06/lista_d.rb', line 27 def insert_many(v1,v2,v3) if head ==nil head.Node.new(v1,nil,nil) @n1.Node.new(v2,nil,head) @n2.Node.new(v3,nil,@n1) lista.push head lista.push @n1 lista.push @n2 else lista.push v1 lista.push v2 lista.push v3 end end |