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 forward(self, inputs):
      x, y = inputs
      r = fastmath.numpy.concatenate((x, y), axis=-1)
      return r, r
  
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 2 for calling the ReversibleConcatenatePair obj's underlying member method code with example usage: obj.forward(inputs) and returns: r,  r