Class: Rivulet::Window

Inherits:

Object

• Object
• Rivulet::Window

Defined in:

lib/rivulet/window.rb

Direct Known Subclasses

CountWindow, MinMaxWindow, SumWindow

Instance Method Summary

• #add(item) ⇒ Object
• #empty? ⇒ Boolean
• #evict ⇒ Object
• #initialize ⇒ Window constructor

  A new instance of Window.

• #size ⇒ Object

Constructor Details

#initialize ⇒ Window

Returns a new instance of Window.

# File 'lib/rivulet/window.rb', line 5

def initialize
  @size = 0
end

Instance Method Details

#add(item) ⇒ Object

# File 'lib/rivulet/window.rb', line 12

def add(item)
  @size += 1
  self
end

#empty? ⇒ Boolean

Returns:

• (Boolean)

# File 'lib/rivulet/window.rb', line 10

def empty? = @size.zero?

#evict ⇒ Object

# File 'lib/rivulet/window.rb', line 17

def evict
  @size -= 1 if @size > 0
end

#size ⇒ Object

# File 'lib/rivulet/window.rb', line 9

def size = @size