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error[E0284]: type annotations needed
--> $DIR/cannot-infer-const-args.rs:6:5
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LL | foo();
| ^^^ cannot infer the value of the const parameter `X` declared on the function `foo`
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note: required by a const generic parameter in `foo`
--> $DIR/cannot-infer-const-args.rs:1:8
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LL | fn foo<const X: usize>() -> usize {
| ^^^^^^^^^^^^^^ required by this const generic parameter in `foo`
help: consider specifying the generic argument
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LL | foo::<X>();
| +++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0284`.
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