class_docstr: Builtin reduce function that aggregates a single field into another
  single field.
class_docstr_tok: ["Builtin","reduce","function","that","aggregates","a","single","field","into","another","single","field","."]
code: def name(self):
      return self._name
  
file_path: dgl/python/dgl/function/reducer.py
imports: from __future__ import absolute_import
  import sys
  from .base import BuiltinFunction
label_desc: Use image node_id 2 for calling the SimpleReduceFunction obj's underlying member method code with example usage: obj.name() and returns: self