- (computing) Additions to a computer language that make code easier for humans to read or write, but that do not change the functionality or expressiveness of the language.
- In fact, this is how lists are actually built, by consing all elements to the empty list, . The commas-and-brackets notation is just syntactic sugar, a more pleasant way to write code. So [1, 2, 3, 4, 5] is exactly equivalent to 1:2:3:4:5:. WB