Class: Mayu::VDOM::Reconciliation::RangeIterator

Inherits:
Object
  • Object
show all
Defined in:
lib/mayu/vdom/reconciliation.rb

Instance Method Summary collapse

Constructor Details

#initialize(elements) ⇒ RangeIterator

Returns a new instance of RangeIterator.



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# File 'lib/mayu/vdom/reconciliation.rb', line 10

def initialize(elements)
  @head = 0
  @tail = elements.length.pred
  @elements = elements
end

Instance Method Details

#[](idx) ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 29

def [](idx)
  @elements[idx]
end

#[]=(idx, value) ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 33

def []=(idx, value)
  @elements[idx] = value
end

#done? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mayu/vdom/reconciliation.rb', line 16

def done? = @head > @tail

#head ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 18

def head = @elements[@head]

#next_head! ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 23

def next_head! = @head += 1

#next_tail! ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 24

def next_tail! = @tail -= 1

#tail ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 19

def tail = @elements[@tail]

#tail_idx ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 21

def tail_idx = @tail

#to_a ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 26

def to_a = @elements[to_range] || []

#to_range ⇒ Object 



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# File 'lib/mayu/vdom/reconciliation.rb', line 27

def to_range = @head..@tail