8c93a79e38
Now that features must be declared expanded source often does not compile. This adds 'pretty-expanded' to a bunch of test cases that still work.
52 lines
1.3 KiB
Rust
52 lines
1.3 KiB
Rust
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Tests that two closures can simultaneously have immutable
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// access to the variable, whether that immutable access be used
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// for direct reads or for taking immutable ref. Also check
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// that the main function can read the variable too while
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// the closures are in scope. Issue #6801.
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// pretty-expanded FIXME #23616
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fn a() -> i32 {
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let mut x = 3;
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x += 1;
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let c1 = || x * 4;
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let c2 = || x * 5;
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c1() * c2() * x
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}
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fn get(x: &i32) -> i32 {
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*x * 4
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}
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fn b() -> i32 {
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let mut x = 3;
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x += 1;
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let c1 = || get(&x);
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let c2 = || get(&x);
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c1() * c2() * x
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}
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fn c() -> i32 {
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let mut x = 3;
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x += 1;
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let c1 = || x * 5;
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let c2 = || get(&x);
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c1() * c2() * x
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}
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pub fn main() {
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assert_eq!(a(), 1280);
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assert_eq!(b(), 1024);
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assert_eq!(c(), 1280);
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}
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