Class: Hist

Inherits:
Object
  • Object
show all
Defined in:
lib/hist.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(max_size = 10) ⇒ Hist

Returns a new instance of Hist.



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# File 'lib/hist.rb', line 4

def initialize(max_size = 10)
  @stack = []
  @max_size = max_size
end

Instance Attribute Details

#max_size ⇒ Object (readonly)

Returns the value of attribute max_size.



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# File 'lib/hist.rb', line 2

def max_size
  @max_size
end

#stack ⇒ Object (readonly)

Returns the value of attribute stack.



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# File 'lib/hist.rb', line 2

def stack
  @stack
end

Instance Method Details

#[](i) ⇒ Object 



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# File 'lib/hist.rb', line 18

def [](i)
  @stack[i]
end

#push(obj) ⇒ Object 



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

def push(obj)
  @stack.pop if @stack.size == @max_size
  @stack.unshift(obj)
end

#recent(n = nil) ⇒ Object 



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# File 'lib/hist.rb', line 14

def recent(n = nil)
  n ? @stack.take(n) : @stack.first
end