From bf8152b4b8eb3da66e4e00293e148d8e7c8211ad Mon Sep 17 00:00:00 2001
From: "Jeong, YunWon" <69878+youknowone@users.noreply.github.com>
Date: Tue, 2 Dec 2025 10:11:04 +0900
Subject: [PATCH] Remove unused _membership_iter_search (#6318)

---
 crates/vm/src/builtins/range.rs |  2 --
 crates/vm/src/vm/vm_ops.rs      | 24 ++----------------------
 2 files changed, 2 insertions(+), 24 deletions(-)

diff --git a/crates/vm/src/builtins/range.rs b/crates/vm/src/builtins/range.rs
index ef55feed6..3edd130ee 100644
--- a/crates/vm/src/builtins/range.rs
+++ b/crates/vm/src/builtins/range.rs
@@ -28,8 +28,6 @@ enum SearchType {
     Index,
 }
 
-// Note: might be a good idea to merge with _membership_iter_search or generalize (_sequence_iter_check?)
-// and place in vm.rs for all sequences to be able to use it.
 #[inline]
 fn iter_search(
     obj: &PyObject,
diff --git a/crates/vm/src/vm/vm_ops.rs b/crates/vm/src/vm/vm_ops.rs
index a5656250c..e30e19981 100644
--- a/crates/vm/src/vm/vm_ops.rs
+++ b/crates/vm/src/vm/vm_ops.rs
@@ -2,9 +2,9 @@ use super::VirtualMachine;
 use crate::stdlib::warnings;
 use crate::{
     PyRef,
-    builtins::{PyInt, PyIntRef, PyStr, PyStrRef, PyUtf8Str},
+    builtins::{PyInt, PyStr, PyStrRef, PyUtf8Str},
     object::{AsObject, PyObject, PyObjectRef, PyResult},
-    protocol::{PyIterReturn, PyNumberBinaryOp, PyNumberTernaryOp, PySequence},
+    protocol::{PyNumberBinaryOp, PyNumberTernaryOp, PySequence},
     types::PyComparisonOp,
 };
 use num_traits::ToPrimitive;
@@ -529,26 +529,6 @@ impl VirtualMachine {
         self.format(obj, format_spec)?.try_into_utf8(self)
     }
 
-    // https://docs.python.org/3/reference/expressions.html#membership-test-operations
-    fn _membership_iter_search(
-        &self,
-        haystack: &PyObject,
-        needle: PyObjectRef,
-    ) -> PyResult<PyIntRef> {
-        let iter = haystack.get_iter(self)?;
-        loop {
-            if let PyIterReturn::Return(element) = iter.next(self)? {
-                if self.bool_eq(&element, &needle)? {
-                    return Ok(self.ctx.new_bool(true));
-                } else {
-                    continue;
-                }
-            } else {
-                return Ok(self.ctx.new_bool(false));
-            }
-        }
-    }
-
     pub fn _contains(&self, haystack: &PyObject, needle: &PyObject) -> PyResult<bool> {
         let seq = haystack.to_sequence();
         seq.contains(needle, self)