class_docstr: An estimator.
class_docstr_tok: ["An","estimator","."]
docstr: Merge with another Transformer into a Pipeline.
docstr_tok: ["Merge","with","another","Transformer","into","a","Pipeline","."]
code: def __or__(self, other):
      """Merge with another Transformer into a Pipeline."""
      from river import compose
  
      if isinstance(other, compose.Pipeline):
          return other.__ror__(self)
      return compose.Pipeline(self, other)
  
file_path: river/river/base/estimator.py
imports: from __future__ import annotations
  import abc
  from .None import base
label_desc: Use image node_id 2 for calling the Estimator obj's underlying member method code with example usage: obj.__or__(other) and returns: compose, other