parameters: (x)
return_statement: return x * 0
docstring: Fill the input field with zero.
  
      Args:
          x (DataType): The input field to fill.
  
      Returns:
          DataType: The output field, which keeps the shape but filled with zero.
docstring_summary: Fill the input field with zero.
docstring_tokens: Fill the input field with zero .
function: def zero(x):
      # TODO: get dtype from Expr and Matrix:
      """Fill the input field with zero.
  
      Args:
          x (DataType): The input field to fill.
  
      Returns:
          DataType: The output field, which keeps the shape but filled with zero.
  
      """
      return x * 0
function_tokens: def zero ( x ) : # TODO: get dtype from Expr and Matrix: return x * 0