Method: Array#flipflop!

Defined in:
lib/extra_lib/core_ext/array.rb

#flipflop! ⇒ Object

Destructive version of Array#flipflop.

Returns: Array or nil



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# File 'lib/extra_lib/core_ext/array.rb', line 21

def flipflop!
	if size > 1
		a, b = shift, pop
		unshift(b); push(a)
	end
end