mirror of
https://github.com/rust-lang/rust
synced 2024-10-01 06:14:33 +00:00
edafbaffb2
- Either explicitly annotate `let x: () = expr;` where `x` has unit type, or remove the unit binding to leave only `expr;` instead. - Fix disjoint-capture-in-same-closure test
38 lines
807 B
Rust
38 lines
807 B
Rust
// run-pass
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#![allow(dead_code)]
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// Don't panic on blocks without results
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// There are several tests in this run-pass that raised
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// when this bug was opened. The cases where the compiler
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// panics before the fix have a comment.
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struct S {x:()}
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fn test(slot: &mut Option<Box<dyn FnMut() -> Box<dyn FnMut()>>>) -> () {
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let a = slot.take();
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let _a: () = match a {
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// `{let .. a(); }` would break
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Some(mut a) => { let _a = a(); },
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None => (),
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};
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}
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fn not(b: bool) -> bool {
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if b {
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!b
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} else {
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// `panic!(...)` would break
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panic!("Break the compiler");
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}
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}
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pub fn main() {
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// {} would break
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let _r: () = {};
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let mut slot = None;
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// `{ test(...); }` would break
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let _s : S = S{ x: { test(&mut slot); } };
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let _b = not(true);
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}
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