File: mbe-dotdotdot-may-not-begin-a-type.rs

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rustc 1.88.0%2Bdfsg1-1
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// A bare `...` represents `CVarArgs` (`VaListImpl<'_>`) in function argument type
// position without being a proper type syntactically.
// This test ensures that we do not regress certain MBE calls would we ever promote
// `...` to a proper type syntactically.

//@ check-pass

macro_rules! ck { ($ty:ty) => { compile_error!(""); }; (...) => {}; }
ck!(...);

fn main() {}