26 lines
904 B
Rust
26 lines
904 B
Rust
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// Ensure that we don't consider `[` to begin trait bounds to contain breakages.
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// Only `[const]` in its entirety begins a trait bound.
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// See also test `macro-const-trait-bound-theoretical-regression.rs`.
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//@ check-pass (KEEP THIS AS A PASSING TEST!)
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// Setting the edition to >2015 since we didn't regress `check! { dyn [const] Trait }` in Rust 2015.
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// See also test `traits/const-traits/macro-dyn-const-2015.rs`.
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//@ edition:2018
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macro_rules! check {
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($ty:ty) => { compile_error!("ty"); }; // KEEP THIS RULE FIRST AND AS IS!
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// DON'T MODIFY THE MATCHERS BELOW UNLESS THE CONST TRAIT MODIFIER SYNTAX CHANGES!
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(dyn [$($any:tt)*] Trait) => { /* KEEP THIS EMPTY! */ };
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(impl [$($any:tt)*] Trait) => { /* KEEP THIS EMPTY! */ };
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}
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check!(dyn [T] Trait);
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// issue: <https://github.com/rust-lang/rust/issues/146417>
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check!(impl [T] Trait);
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check!(impl [T: Bound] Trait);
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fn main() {}
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