Implement tr-compiler-v3 enumeration compiler

Author: SarcasticNastik

src/lib.rs

@@ -985,7 +985,7 @@ mod prelude {
     pub use alloc::{
         borrow::{Borrow, Cow, ToOwned},
         boxed::Box,
-        collections::{vec_deque::VecDeque, BTreeMap, BinaryHeap},
+        collections::{vec_deque::VecDeque, BTreeMap, BTreeSet, BinaryHeap},
         rc, slice,
         string::{String, ToString},
         sync,
@@ -995,7 +995,7 @@ mod prelude {
     pub use std::{
         borrow::{Borrow, Cow, ToOwned},
         boxed::Box,
-        collections::{vec_deque::VecDeque, BTreeMap, BinaryHeap, HashMap, HashSet},
+        collections::{vec_deque::VecDeque, BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet},
         rc, slice,
         string::{String, ToString},
         sync,