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11 lines
329 B
Rust
11 lines
329 B
Rust
fn send<T: Send>(_: T) {}
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fn sync<T: Sync>(_: T) {}
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fn main() {
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// `Cell` is not `Sync`, so `&Cell` is neither `Sync` nor `Send`,
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// `std::fmt::Arguments` used to forget this...
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let c = std::cell::Cell::new(42);
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send(format_args!("{:?}", c)); //~ ERROR E0277
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sync(format_args!("{:?}", c)); //~ ERROR E0277
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}
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