code: def match(*signature, **kwargs):
      namespace = kwargs.get("namespace", global_namespace)
      dispatcher = kwargs.get("Dispatcher", Dispatcher)
  
      def _(func):
          name = func.__name__
  
          if name not in namespace:
              namespace[name] = dispatcher(name)
          d = namespace[name]
  
          d.add(signature, func)
  
          return d
  
      return _
  
file_path: pytorch/torch/fx/experimental/unification/match.py
imports: from .core import unify, reify
  from .variable import isvar
  from .utils import _toposort, freeze
  from .unification_tools import groupby, first
label_desc: Use image node_id 1 for calling a global function with example usage: match() and returns: _, d