mirror of https://github.com/rust-lang/rust
15 lines
383 B
Rust
15 lines
383 B
Rust
use std::marker::PhantomData;
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struct Token<T>(PhantomData<T>);
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impl<T> Token<T> {
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fn as_ref(_: i32, _: i32) -> _ {
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//~^ ERROR the placeholder `_` is not allowed within types on item signatures for return types
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//~| NOTE not allowed in type signatures
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//~| HELP replace with the correct return type
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Token(PhantomData::<&T>)
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}
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}
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fn main() {}
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