class_docstr: Maps (x, y) -> ([x, y], [x, y]);  [x, y] is concatenation on last axis.
class_docstr_tok: ["Maps","(","x",",","y",")","-",">","(","[","x",",","y","]",",","[","x",",","y","]",")",";","[","x",",","y","]","is","concatenation","on","last","axis","."]
code: def __init__(self):
      super().__init__(n_in=2, n_out=2)
  
imports: from absl import logging
  import jax
  from trax import fastmath
  from trax.layers import base
  from trax.layers import combinators
label_desc: Use image node_id 1 to create a new ReversibleConcatenatePair object from inherited base classes: ReversibleLayer with example: obj = ReversibleConcatenatePair()