Prefix form of unary operator in Haskell
Haskell’s grammar doesn’t allow you to use – like that. Use the subtract function instead: (subtract 3) 2
Haskell’s grammar doesn’t allow you to use – like that. Use the subtract function instead: (subtract 3) 2
My view is to always use ++ and — by themselves on a single line, as in: i++; array[i] = foo; instead of array[++i] = foo; Anything beyond that can be confusing to some programmers and is just not worth it in my view. For loops are an exception, as the use of the increment … Read more
There is a big difference between postfix and prefix versions of ++. In the prefix version (i.e., ++i), the value of i is incremented, and the value of the expression is the new value of i. In the postfix version (i.e., i++), the value of i is incremented, but the value of the expression is … Read more