清理了部分垃圾

includes/_list.py

@@ -1,6 +1,7 @@
 import t, c
 import memhub
 import string
+import stdio
 from stdint import *
 
 
@@ -24,8 +25,12 @@ class list[T]:
     __iter_index__: t.CSizeT
 
     def __new__(self, pool: memhub.MemManager | t.CPtr, elem_size: t.CSizeT = 0):
-        # 堆分配 list[T] 对象 (6 字段 × 8 = 48 字节，无 vtable)
-        return pool.alloc(48)
+        stdio.printf("DBG __new__: entry\n")
+        stdio.fflush(None)
+        ret = pool.alloc(48)
+        stdio.printf("DBG __new__: alloc returned %p\n", ret)
+        stdio.fflush(None)
+        return ret
 
     def __init__(self, pool: memhub.MemManager | t.CPtr, elem_size: t.CSizeT = 0):
         self.__pool__       = pool