This means you have to rely on precedence, or add your own parens. For example, how do you read this? f -4 In F#, whitespace is significant (and it's a fun

This means you have to rely on precedence, or add your own parens. For example, how do you read this? f -4 In F#, whitespace is significant (and it's a function call); in OCaml, it's a subtraction. The idea of wrapping a negative number with parens is not necessarily obvious.