if r.Name.Kind != "type" {
				repl = "(" + repl + ")"
			}
			f.Edit.Replace(f.offset(old.Pos()), f.offset(old.End()), repl)
		}
	}

	// Remove functions only used as expressions, so their respective
	// bridge functions are not generated.
	for name, used := range functions {
		if !used {
			delete(f.Name, name)
		}
	}
}