// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // error-pattern:can't use type parameters from outer function; try using fn hd(v: Vec ) -> U { fn hd1(w: [U]) -> U { return w[0]; } return hd1(v); }