scl/type-notes.md

Primitive Types

• num
• bool
• str

fact(x) = ? (x <= 1) 1 : f(x-1) * x
> lambda
fact(5) == 120
> True

Ordered collections.

Name	Homogeneous	Fixed Size	Unique
Collection	No	No	No
List	Yes	No	No
Array	Yes	Yes	No
Group	No	Yes	No
Set	Yes	No	Yes
Perm	Yes	Yes	Yes