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19 lines
505 B
Rust
19 lines
505 B
Rust
#![feature(rustc_attrs, stmt_expr_attributes)]
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fn foo(_: u32, _: u32) {}
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fn bar(_: u32) {}
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fn main() {
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#[rustc_box]
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Box::new(1); // OK
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#[rustc_box]
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Box::pin(1); //~ ERROR `#[rustc_box]` attribute used incorrectly
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#[rustc_box]
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foo(1, 1); //~ ERROR `#[rustc_box]` attribute used incorrectly
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#[rustc_box]
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bar(1); //~ ERROR `#[rustc_box]` attribute used incorrectly
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#[rustc_box] //~ ERROR `#[rustc_box]` attribute used incorrectly
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#[rustfmt::skip]
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Box::new(1);
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}
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