52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
// check-pass
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// edition:2018
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#![feature(stmt_expr_attributes)]
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#![warn(semicolon_in_expressions_from_macros)]
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#[allow(dead_code)]
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macro_rules! foo {
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($val:ident) => {
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true; //~ WARN trailing semicolon in macro
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//~| WARN this was previously accepted
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//~| WARN trailing semicolon in macro
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//~| WARN this was previously accepted
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//~| WARN trailing semicolon in macro
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//~| WARN this was previously accepted
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}
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}
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#[allow(semicolon_in_expressions_from_macros)]
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async fn bar() {
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foo!(first);
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}
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fn main() {
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#[allow(semicolon_in_expressions_from_macros)]
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let _ = {
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foo!(first)
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};
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#[allow(semicolon_in_expressions_from_macros)]
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let _ = foo!(second);
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#[allow(semicolon_in_expressions_from_macros)]
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fn inner() {
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let _ = foo!(third);
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}
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#[allow(semicolon_in_expressions_from_macros)]
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async {
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let _ = foo!(fourth);
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};
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let _ = {
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foo!(warn_in_block)
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};
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let _ = foo!(warn_in_expr);
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// This `#[allow]` does not work, since the attribute gets dropped
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// when we expand the macro
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let _ = #[allow(semicolon_in_expressions_from_macros)] foo!(allow_does_not_work);
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}
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