Replace vm._hash to obj.hash

Author: ChJR

vm/src/protocol/object.rs

@@ -132,7 +132,11 @@ impl PyObjectRef {
     }
 
     pub fn hash(&self, vm: &VirtualMachine) -> PyResult<PyHash> {
-        vm._hash(self)
+        let hash = self
+            .class()
+            .mro_find_map(|cls| cls.slots.hash.load())
+            .unwrap(); // hash always exist
+        hash(self, vm)
     }
 
     // const hash_not_implemented: fn(&PyObjectRef, &VirtualMachine) ->PyResult<PyHash> = crate::types::Unhashable::slot_hash;

vm/src/vm.rs

@@ -1885,14 +1885,6 @@ impl VirtualMachine {
         self._cmp(&a, &b, op).map(|res| res.into_pyobject(self))
     }
 
-    pub fn _hash(&self, obj: &PyObjectRef) -> PyResult<rustpython_common::hash::PyHash> {
-        let hash = obj
-            .class()
-            .mro_find_map(|cls| cls.slots.hash.load())
-            .unwrap(); // hash always exist
-        hash(obj, self)
-    }
-
     pub fn obj_len_opt(&self, obj: &PyObjectRef) -> Option<PyResult<usize>> {
         self.get_special_method(obj.clone(), "__len__")
             .map(Result::ok)