Class: Functional::TopDown

Inherits:
Base show all
Defined in:
lib/functional.rb

Instance Attribute Summary

Attributes inherited from Base

#caller, #exe, #next

Instance Method Summary collapse

Methods inherited from Base

#base_fun, #clean, #to_proc

Constructor Details

#initialize(start, *a, &e) ⇒ TopDown

Returns a new instance of TopDown.



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# File 'lib/functional.rb', line 143

def initialize start, *a, &e
	@next.call *a, &e
	@buffer, @start = nil, start
end

Instance Method Details

#end ⇒ Object 



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# File 'lib/functional.rb', line 158

def end
	@next.call @buffer
	@next.end
end

#top_down_fun(a) ⇒ Object Also known as: call 



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# File 'lib/functional.rb', line 148

def top_down_fun a
	if @exe.call a
		@next.call @buffer
		@buffer = @start.dup+a
	else
		@buffer += a
	end
end