class_docstr: Appends a suffix on features names.
  
  Parameters
  ----------
  suffix
  
  Examples
  --------
  
  >>> from river import compose
  
  >>> x = {'a': 42, 'b': 12}
  >>> compose.Suffixer('_suffix').transform_one(x)
  {'a_suffix': 42, 'b_suffix': 12}
class_docstr_tok: ["Appends","a","suffix","on","features","names",".","Parameters","--","--","--","--","--","suffix","Examples","--","--","--","--",">",">",">","from","river","import","compose",">",">",">","x","=","{","'","a","'",":","42",",","'","b","'",":","12","}",">",">",">","compose.Suffixer","(","'_suffix","'",")",".transform_one","(","x",")","{","'a_suffix","'",":","42",",","'b_suffix","'",":","12","}"]
code: def __init__(self, suffix: str):
      self.suffix = suffix
  
file_path: river/river/compose/renamer.py
imports: from __future__ import annotations
  from river import base
label_desc: Use image node_id 1 to create a new Suffixer object from inherited base classes: base with example: obj = Suffixer(suffix)