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.
53 lines
2.1 KiB
Rust
53 lines
2.1 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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// pretty-expanded FIXME #23616
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#![allow(unknown_features)]
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#![feature(box_syntax)]
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use std::fmt::Debug;
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// Check that coercions apply at the pointer level and don't cause
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// rvalue expressions to be unsized. See #20169 for more information.
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pub fn main() {
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// FIXME #22405: We cannot infer the type `Box<[int; k]>` for
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// the r-value expression from the context `Box<[int]>`, and
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// therefore the `box EXPR` desugaring breaks down.
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//
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// One could reasonably claim that the `box EXPR` desugaring is
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// effectively regressing half of Issue #20169. Hopefully we will
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// eventually fix that, at which point the `Box::new` calls below
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// should be replaced wth uses of `box`.
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let _: Box<[int]> = Box::new({ [1, 2, 3] });
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let _: Box<[int]> = Box::new(if true { [1, 2, 3] } else { [1, 3, 4] });
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let _: Box<[int]> = Box::new(match true { true => [1, 2, 3], false => [1, 3, 4] });
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let _: Box<Fn(int) -> _> = Box::new({ |x| (x as u8) });
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let _: Box<Debug> = Box::new(if true { false } else { true });
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let _: Box<Debug> = Box::new(match true { true => 'a', false => 'b' });
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let _: &[int] = &{ [1, 2, 3] };
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let _: &[int] = &if true { [1, 2, 3] } else { [1, 3, 4] };
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let _: &[int] = &match true { true => [1, 2, 3], false => [1, 3, 4] };
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let _: &Fn(int) -> _ = &{ |x| (x as u8) };
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let _: &Debug = &if true { false } else { true };
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let _: &Debug = &match true { true => 'a', false => 'b' };
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let _: Box<[int]> = Box::new([1, 2, 3]);
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let _: Box<Fn(int) -> _> = Box::new(|x| (x as u8));
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let _: Vec<Box<Fn(int) -> _>> = vec![
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Box::new(|x| (x as u8)),
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Box::new(|x| (x as i16 as u8)),
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];
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}
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