feat: rec attrset

evaluator/nixjit_ir/src/lib.rs

@@ -20,20 +20,10 @@ use nixjit_value::Const as PubConst;
 ///
 /// Using a newtype wrapper like this prevents accidentally mixing up different kinds of indices.
 #[repr(transparent)]
-#[derive(Debug, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct ExprId(usize);
 
 impl ExprId {
-    /// Creates a clone of the `ExprId`.
-    ///
-    /// # Safety
-    /// This is a shallow copy of the index. The caller must ensure that the lifetime
-    /// and validity of the expression being referenced are handled correctly.
-    #[inline(always)]
-    pub unsafe fn clone(&self) -> Self {
-        Self(self.0)
-    }
-
     /// Returns the raw `usize` index.
     ///
     /// # Safety