Class: Dexc::RingBuffer

Inherits:

Object

• Object
• Dexc::RingBuffer

Defined in:

lib/dexc.rb

Instance Method Summary

• #add(val) ⇒ Object
• #initialize(n) ⇒ RingBuffer constructor

  A new instance of RingBuffer.

• #to_a ⇒ Object

Constructor Details

#initialize(n) ⇒ RingBuffer

Returns a new instance of RingBuffer.

# File 'lib/dexc.rb', line 16

def initialize(n)
  @n = n
  @buf = []
  @idx = 0
end

Instance Method Details

#add(val) ⇒ Object

# File 'lib/dexc.rb', line 22

def add(val)
  @buf[@idx] = val
  @idx = (@idx + 1) % @n
end

#to_a ⇒ Object

# File 'lib/dexc.rb', line 27

def to_a
  @buf[@idx..-1] + @buf[0...@idx]
end