In my haste to reply I made an error in my 'newby' multiplication
function. Pesky negative numbers...
intMul ∷ Integer → Integer → Integer
intMul x n | n < 0 = -(intMul x $ abs n)
| n == 0 = 0
| n > 0 = x + intMul x (n - 1)
I do wonder what happens when haltavista encounters a function that
diverges. Like my original intMul applied to a negative number:
"intMul 2 (-1)".
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