class_docstr: Gated Linear Unit
class_docstr_tok: ["Gated","Linear","Unit"]
code: def forward(self, x):
      if self.dropout is not None:
          x = self.dropout(x)
      x = self.fc(x)
      x = F.glu(x, dim=-1)
      return x
  
imports: import math
  from typing import Dict, List, Tuple, Union
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 3 for calling the GatedLinearUnit obj's underlying member method code with example usage: obj.forward(x) and returns: x