feat: use hashbrown

src/builtins/mod.rs

@@ -1,7 +1,6 @@
+use hashbrown::HashMap;
 use std::rc::Rc;
 
-use rpds::HashTrieMap;
-
 use crate::ty::internal::{AttrSet, Const, PrimOp, Value};
 use crate::vm::{Env, VM};
 
@@ -43,14 +42,14 @@ pub fn env<'vm>(vm: &'vm VM) -> Env<'vm> {
         }),
     ];
 
-    let mut map = HashTrieMap::new();
+    let mut map = HashMap::new();
     for primop in primops {
         let primop = Rc::new(primop);
         env.insert(
             vm.new_sym(format!("__{}", primop.name)),
             Value::PrimOp(primop.clone()),
         );
-        map.insert_mut(vm.new_sym(primop.name), Value::PrimOp(primop));
+        map.insert(vm.new_sym(primop.name), Value::PrimOp(primop));
     }
     let attrs: Rc<_> = AttrSet::from_inner(map).into();
     let mut builtins = Value::AttrSet(attrs);