2 ms·
I hadn't thought of that. Types serve as a good safety net, but they're not foolproof. Expecting something like that to be correct because it passed through the
by DanWaterworth 14y ago
I hadn't thought of that. Types serve as a good safety net, but they're not foolproof. Expecting something like that to be correct because it passed through the type checker is like expecting to be served at a restaurant dressed in a gorilla suit because you got through the door.
- GregBuchholz 14y agoAnd of course it is fun to think about total functions that are "effectively" bottom... id :: a -> a id a = case (a,ack 4 3) of (x,0) -> x (x,_) -> x where ack 0 n = n+1 ack m 0 = ack (m-1) 1 ack m n = ack (m-1) (ack m (n-1))