Tokens #

Syntax. Here are syntactic constraints on basic elements of a Haskell program:

meaning	syntax	examples
variable name	starts with a lower case letter	x, xs, f, remainder, maxValue
function name	starts with a lower case letter	square, applyBoolOp
type	starts with an upper case letter	Integer, Char, Bool
type variable	starts with a lower case letter	a, type, baseType
constructor	starts with a capital letter	Cons, CityC, True