16 lines
547 B
Rust
16 lines
547 B
Rust
#![feature(optin_builtin_traits)]
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#![allow(bare_trait_objects)]
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auto trait Auto {}
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fn main() {
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let _: Box<((Auto)) + Auto>;
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//~^ ERROR expected a path on the left-hand side of `+`, not `((Auto))`
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let _: Box<(Auto + Auto) + Auto>;
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//~^ ERROR expected a path on the left-hand side of `+`, not `(Auto + Auto)`
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let _: Box<(Auto +) + Auto>;
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//~^ ERROR expected a path on the left-hand side of `+`, not `(Auto)`
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let _: Box<(dyn Auto) + Auto>;
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//~^ ERROR expected a path on the left-hand side of `+`, not `(dyn Auto)`
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}
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