1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Regression test: issue had to do with "givens" in region inference,
12 // which were not being considered during the contraction phase.
14 // error-pattern:explicit panic
16 struct Parser<'i: 't, 't>(&'i u8, &'t u8);
18 impl<'i, 't> Parser<'i, 't> {
19 fn parse_nested_block<F, T>(&mut self, parse: F) -> Result<T, ()>
20 where for<'tt> F: FnOnce(&mut Parser<'i, 'tt>) -> T
25 fn expect_exhausted(&mut self) -> Result<(), ()> {
32 Parser(&x, &x).parse_nested_block(|input| input.expect_exhausted()).unwrap();