code: def hinge_loss(x: torch.Tensor) -> torch.Tensor:
      if x.numel() == 0:
          return torch.tensor([0.0], device=x.device)
      return -x.mean()
  
imports: import typing
  import flashy
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 9 for calling a global function with example usage: hinge_loss(x) and returns: unknown, torch