Re: [Haskell-cafe] Is this haskelly enough? -- errm but every answer is wrong(?)

On 7/17/07, Anthony Clayden wrote:

2. The inits . tails approach adds a fault: It introduces a sprinkling of empty sub-sequences. These have sum zero. So in case the input list is all negative numbers ...

At least the concatMap inits . tails code that I posted also filtered empty lists to avoid this problem... it seems like a simple omission rather than a fault in the approach. /g -- The man who'd introduced them didn't much like either of them, though he acted as if he did, anxious as he was to preserve good relations at all times. One never knew, after all, now did one now did one now did one.