- Type: The top of the type hierarchy
- Always: Singleton
@ that always evaluates to true
- Bool:
true and/or false
- Float: Floating point numbers backed by Rust's
f64
- Int: Arbitrarily large integers
- Nil: Singleton
nil object representing the lack of any value
- Str: String
'abc' or "abc"
- List: Mutable sequence of objects
["a", "b", "c"]
- Map: Mutable map/dict
{"a": 1, "b": 2}
- Tuple: Immutable sequence of objects
(1, 2, 3)
- BuiltinFunc: A FeInt function implemented in Rust
- Func: A "user" function implemented in FeInt
f = () => nil
- Closure: An enclosure for a
Func
- BoundFunc: Binds a function to a
this object
- Cell
- Iterator
- Module
- Prop (currently unused, may not be needed)