44 lines
869 B
Rust
44 lines
869 B
Rust
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macro_rules! foo {
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() => {
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break (); //~ ERROR `break` outside of a loop or labeled block
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};
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($e: expr) => {
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break $e; //~ ERROR `break` outside of a loop or labeled block
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};
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(stmt $s: stmt) => {
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$s
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};
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(@ $e: expr) => {
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{ break $e; } //~ ERROR `break` outside of a loop or labeled block
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};
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(=> $s: stmt) => {
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{ $s }
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};
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}
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fn main() {
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{
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foo!();
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}
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{
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foo!(());
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}
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{
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foo!(stmt break ()); //~ ERROR `break` outside of a loop or labeled block
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}
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{
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foo!(@ ());
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}
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{
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foo!(=> break ()); //~ ERROR `break` outside of a loop or labeled block
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}
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{
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macro_rules! bar {
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() => {
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break () //~ ERROR `break` outside of a loop or labeled block
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};
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}
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bar!()
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}
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}
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