class_docstr: Represents a bound task node in a Ray task DAG.
class_docstr_tok: ["Represents","a","bound","task","node","in","a","Ray","task","DAG","."]
code: def __str__(self) -> str:
      return get_dag_node_str(self, str(self._body))
  
file_path: ray/python/ray/dag/function_node.py
imports: from typing import Any, Dict, List
  import ray
  from ray.dag.dag_node import DAGNode
  from ray.dag.format_utils import get_dag_node_str
  from ray.util.annotations import DeveloperAPI
label_desc: Use image node_id 4 for calling the FunctionNode obj's underlying member method code with example usage: obj.__str__() and returns: get_dag_node_str