code: def register_meta(op, register_dispatcher=True):
      def wrapper(f):
          def add_func(op):
              meta_table[op] = f
              if register_dispatcher:
                  name = (
                      op.__name__
                      if op._overloadname != "default"
                      else op.overloadpacket.__name__
                  )
                  try:
                      meta_lib.impl(name, f)
                  except:
                      pass
  
          tree_map(add_func, op)
          return f
  
      return wrapper
  
imports: from typing import List, Optional, Union
  import torch
  from torch.utils._pytree import tree_map
label_desc: Use image node_id 1 for calling a global function with example usage: register_meta(op, register_dispatcher) and returns: wrapper, f