mirror of https://github.com/rust-lang/rust
47 lines
2.1 KiB
Rust
47 lines
2.1 KiB
Rust
struct Wow<const N: usize>;
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fn main() {
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let _: Wow<if true {}>;
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//~^ ERROR invalid const generic expression
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<|| ()>;
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//~^ ERROR invalid const generic expression
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<A.b>;
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//~^ ERROR expected one of
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<A.0>;
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//~^ ERROR expected one of
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<[]>;
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<[12]>;
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//~^ ERROR expected type
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//~| ERROR invalid const generic expression
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<[0, 1, 3]>;
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<[0xff; 8]>;
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//~^ ERROR expected type
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//~| ERROR invalid const generic expression
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<[1, 2]>; // Regression test for issue #81698.
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<&0>;
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<("", 0)>;
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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let _: Wow<(1 + 2) * 3>;
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//~^ ERROR expected type
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//~| HELP expressions must be enclosed in braces to be used as const generic arguments
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// FIXME(fmease): This one is pretty bad.
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let _: Wow<!0>;
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//~^ ERROR expected one of
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//~| HELP you might have meant to end the type parameters here
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}
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