21 lines
		
	
	
	
		
			400 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			21 lines
		
	
	
	
		
			400 B
		
	
	
	
		
			Nix
		
	
	
	
	
	
with import ./lib.nix;
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let {
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  range = first: last:
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    if builtins.lessThan last first
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    then []
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    else [first] ++ range (builtins.add first 1) last;
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  /* Supposedly tail recursive version:
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  range_ = accum: first: last: 
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    if first == last then ([first] ++ accum)
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    else range_ ([first] ++ accum) (builtins.add first 1) last;
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  range = range_ [];
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  */
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  body = sum (range 1 50);
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}
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