Class: Pallets::Middleware::Stack

Inherits:
Array
  • Object
show all
Defined in:
lib/pallets/middleware/stack.rb

Overview

Array-like class that acts like a stack and additionally provides the means to wrap an operation with callable objects

Instance Method Summary collapse

Instance Method Details

#invoke(*args, &block) ⇒ Object 



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# File 'lib/pallets/middleware/stack.rb', line 6

def invoke(*args, &block)
  reverse.inject(block) do |memo, middleware|
    lambda { middleware.call(*args, &memo) }
  end.call
end