What does an escaped ampersand mean in Haskell?
It escapes… no character. It is useful to “break” some escape sequences. For instance we might want to express “\12” ++ “3” as a single string literal. If we try the obvious approach, we get “\123” ==> “{” We can however use “\12\&3” for the intended result. Also, “\SOH” and “\SO” are both valid single … Read more