1 warning: the feature `const_generics` is incomplete and may not be safe to use and/or cause compiler crashes
2 --> $DIR/cannot-infer-const-args.rs:1:12
4 LL | #![feature(const_generics)]
7 = note: `#[warn(incomplete_features)]` on by default
8 = note: see issue #44580 <https://github.com/rust-lang/rust/issues/44580> for more information
10 error[E0282]: type annotations needed
11 --> $DIR/cannot-infer-const-args.rs:9:5
14 | ^^^ cannot infer type for fn item `fn() -> usize {foo::<{_: usize}>}`
16 error: aborting due to previous error; 1 warning emitted
18 For more information about this error, try `rustc --explain E0282`.