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Class: Racc::ISet

Relationships & Source Files
Inherits: Object
Defined in: lib/racc/iset.rb

Overview

An “indexed” set. All items must respond to :ident.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(a = []) ⇒ ISet

[ GitHub ] 

  


# File 'lib/racc/iset.rb', line 18



def initialize(a = [])
  @set = a
end


  







Instance Attribute Details



  

    #empty?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 78



def empty?
  @set.nitems == 0
end


  








  

    #set   (readonly)
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 22



attr_reader :set


  







Instance Method Details



  

    #[](key)  
    Also known as: #include?, #key?
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 28



def [](key)
  @set[key.ident]
end


  








  

    #[]=(key, val)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 32



def []=(key, val)
  @set[key.ident] = val
end


  








  

    #add(i)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 24



def add(i)
  @set[i.ident] = i
end


  








  

    #clear  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 82



def clear
  @set.clear
end


  








  

    #delete(key)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 54



def delete(key)
  i = @set[key.ident]
  @set[key.ident] = nil
  i
end


  








  

    #dup  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 86



def dup
  ISet.new(@set.dup)
end


  








  

    #each(&block)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 60



def each(&block)
  @set.compact.each(&block)
end


  








  

    #include?(key)  
  



  

    

Alias for #[].


  



  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 36



alias include? []


  








  

    #inspect  
  



  

    

Alias for #to_s.


  



  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 72



alias inspect to_s


  








  

    #key?(key)  
  



  

    

Alias for #[].


  



  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 37



alias key? []


  








  

    #size  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 74



def size
  @set.nitems
end


  








  

    #to_a  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 64



def to_a
  @set.compact
end


  








  

    #to_s  
    Also known as: #inspect
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 68



def to_s
  "[#{@set.compact.join(' ')}]"
end


  








  

    #update(other)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 39



def update(other)
  s = @set
  o = other.set
  o.each_index do |idx|
    if t = o[idx]
      s[idx] = t
    end
  end
end


  








  

    #update_a(a)  
  

  [ GitHub ]


  

  


# File 'lib/racc/iset.rb', line 49



def update_a(a)
  s = @set
  a.each {|i| s[i.ident] = i }
end