feat: at least it compiles, right?

src/ty/internal/attrset.rs

@@ -1,8 +1,8 @@
 use std::ops::Deref;
 use std::rc::Rc;
 
-use ecow::EcoString;
 use derive_more::Constructor;
+use ecow::EcoString;
 use hashbrown::{HashMap, HashSet};
 use itertools::Itertools;
 
@@ -50,30 +50,39 @@ impl AttrSet {
         self.data.insert(sym, val);
     }
 
-    pub fn select(&self, mut path: impl DoubleEndedIterator<Item = Result<EcoString>>) -> Result<Value> {
-                // .ok_or_else(|| Error::EvalError())),
+    pub fn select(
+        &self,
+        mut path: impl DoubleEndedIterator<Item = Result<EcoString>>,
+    ) -> Result<Value> {
+        // .ok_or_else(|| Error::EvalError())),
         let mut data = &self.data;
         let last = path.nth_back(0).unwrap();
         for item in path {
             let item = item?;
-            let Some(Value::AttrSet(attrs)) =  data.get(&item) else {
-                return Err(Error::EvalError(format!("{} not found", Symbol::from(item))))
+            let Some(Value::AttrSet(attrs)) = data.get(&item) else {
+                return Err(Error::EvalError(format!(
+                    "{} not found",
+                    Symbol::from(item)
+                )));
             };
             data = attrs.as_inner();
         }
         let last = last?;
-        data.get(&last).cloned().ok_or_else(|| Error::EvalError(format!("{} not found", Symbol::from(last))))
+        data.get(&last)
+            .cloned()
+            .ok_or_else(|| Error::EvalError(format!("{} not found", Symbol::from(last))))
     }
 
-    pub fn has_attr(&self, path: impl IntoIterator<Item = Result<EcoString>>) -> Result<bool> {
+    pub fn has_attr(&self, mut path: impl DoubleEndedIterator<Item = Result<EcoString>>) -> Result<bool> {
         let mut data = &self.data;
+        let last = path.nth_back(0).unwrap();
         for item in path {
-            let Some(Value::AttrSet(attrs)) =  data.get(&item?) else {
-                return Ok(false)
+            let Some(Value::AttrSet(attrs)) = data.get(&item?) else {
+                return Ok(false);
             };
             data = attrs.as_inner();
         }
-        Ok(true)
+        Ok(data.get(&last?).is_some())
     }
 
     pub fn update(&mut self, other: &AttrSet) {