Class: Burg::Once

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

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Once

Returns a new instance of Once.



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# File 'lib/burg/once.rb', line 3

def initialize(&block)
  @block = block
  @mutex = Mutex.new
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/burg/once.rb', line 8

def call
  @mutex&.synchronize do
    return unless @mutex

    @block.call

    @mutex = nil
  end
end