class_docstr: Representation of a call to a function
  
  Essentially this is container for a Function along with its signature.
class_docstr_tok: ["Representation","of","a","call","to","a","function","Essentially","this","is","container","for","a","Function","along","with","its","signature","."]
code: def expression(self, names):
      str_args = [arg.expression(names) for arg in self._args]
      args = ", ".join(str_args)
      fname = self.function.expression(names)
      return "%s(%s)" % (fname, args)
  
file_path: vispy/vispy/visuals/shaders/expression.py
imports: from .shader_object import ShaderObject
label_desc: Use image node_id 5 for calling the FunctionCall obj's underlying member method code with example usage: obj.expression(names) and returns: unknown