4 ms·Was it a 'functional programmers know the value of everything and the cost of nothing' kind of joke?by mhax 9y agoWas it a 'functional programmers know the value of everything and the cost of nothing' kind of joke?dizzystar 9y agoIt filters for even. Increments each element to odd. Multiplies each number by 3 (each number is still odd) Filters for evens then sums them. Always returns zero.mhax 9y agobut not one side effect!brailsafe 9y agoPoetic.