func isName(n ast.Expr, name string) bool {
	id, ok := n.(*ast.Ident)
	return ok && id.String() == name
}
func isName(n ast.Expr, name string) bool {
	id, ok := n.(*ast.Ident)
	return ok && id.String() == name
}
func isName ( n ast . Expr , name string ) bool { id , ok := n . ( * ast . Ident ) return ok && id . String ( ) == name }
// isName returns true if n is an identifier with the given name.
isName returns true if n is an identifier with the given name .