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// 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 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// pp-exact
// Here we check that the parentheses around the body of `wsucc()` are
// preserved. They are needed to disambiguate `{return n+1}; - 0` from
// `({return n+1}-0)`.
fn id<F>(f: F) -> isize where F: Fn() -> isize { f() }
fn wsucc(_n: isize) -> isize { id(|| { 1 }) - 0 }
fn main() { }
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