Class: SizedArray

Inherits:

Array

• Object
• Array
• SizedArray

show all

Defined in:

lib/diakonos/sized-array.rb

Instance Attribute Summary (collapse)

• - (Object) capacity readonly

  Returns the value of attribute capacity.

Instance Method Summary (collapse)

• - (Object) <<(item)
• - (Object) concat(other_array)
• - (Object) fill(*args)
• - (SizedArray) initialize(capacity = 10, *args) constructor

  A new instance of SizedArray.

• - (Object) push(item)
• - (Object) unshift(item)

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# File 'lib/diakonos/sized-array.rb', line 4

def initialize( capacity = 10, *args )
    @capacity = capacity
    super( *args )
end

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# File 'lib/diakonos/sized-array.rb', line 2

def capacity
  @capacity
end

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# File 'lib/diakonos/sized-array.rb', line 28

def <<( item )
    retval = super( item )
    if size > @capacity
        retval = shift
    end
    retval
end

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# File 'lib/diakonos/sized-array.rb', line 16

def concat( other_array )
    super( other_array )
    resize
    self
end

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# File 'lib/diakonos/sized-array.rb', line 22

def fill( *args )
    retval = super( *args )
    resize
    self
end

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# File 'lib/diakonos/sized-array.rb', line 36

def push( item )
    self << item
end

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# File 'lib/diakonos/sized-array.rb', line 40

def unshift( item )
    retval = super( item )
    if size > @capacity
        retval = pop
    end
    retval
end