mirror of https://github.com/rust-lang/rust
40 lines
1.0 KiB
Rust
40 lines
1.0 KiB
Rust
#![allow(unused, dead_code)]
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fn foo() -> u32 {
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return 'label: loop { break 'label 42; };
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}
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fn bar() -> u32 {
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loop { break 'label: loop { break 'label 42; }; }
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//~^ ERROR: parentheses are required around this expression to avoid confusion
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//~| HELP: wrap the expression in parentheses
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}
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fn baz() -> u32 {
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'label: loop {
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break 'label
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//~^ WARNING: this labeled break expression is easy to confuse with an unlabeled break
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loop { break 42; };
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//~^ HELP: wrap this expression in parentheses
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};
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'label2: loop {
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break 'label2 'inner: loop { break 42; };
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// no warnings or errors here
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}
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}
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pub fn main() {
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// Regression test for issue #86948, as resolved in #87026:
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let a = 'first_loop: loop {
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break 'first_loop 1;
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};
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let b = loop {
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break 'inner_loop: loop {
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//~^ ERROR: parentheses are required around this expression to avoid confusion
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//~| HELP: wrap the expression in parentheses
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break 'inner_loop 1;
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};
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};
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}
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