Class: Obfusk::Atom

Inherits:

Object

• Object
• Obfusk::Atom

Defined in:

lib/obfusk/atom.rb

Instance Attribute Summary

• #value ⇒ Object (also: #_, #deref) readonly

  Returns the value of attribute value.

Instance Method Summary

• #initialize(value) ⇒ Atom constructor

  new Atom with value.

• #swap!(&b) ⇒ Object

  atomically swaps the value to be b[oldvalue]; uses with_value.

• #with_value(&b) ⇒ Object

  calls block with value; uses a mutex to synchronize.

Constructor Details

#initialize(value) ⇒ Atom

new Atom with value

# File 'lib/obfusk/atom.rb', line 21

def initialize(value)
  @mutex = Mutex.new
  @value = value
end

Instance Attribute Details

#value ⇒ Object (readonly) Also known as: _, deref

Returns the value of attribute value.

# File 'lib/obfusk/atom.rb', line 16

def value
  @value
end

Instance Method Details

#swap!(&b) ⇒ Object

atomically swaps the value to be b[oldvalue]; uses with_value

# File 'lib/obfusk/atom.rb', line 33

def swap!(&b)
  with_value { |v| @value = b[v] }
end

#with_value(&b) ⇒ Object

calls block with value; uses a mutex to synchronize

# File 'lib/obfusk/atom.rb', line 27

def with_value(&b)
  @mutex.synchronize { b[value] }
end