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error[E0284]: type annotations needed for `[String; _]`
--> $DIR/copy-check-const-element-uninferred-count.rs:62:9
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LL | let a = [const { String::new() }; _];
| ^ ---------------------------- type must be known at this point
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= note: the length of array `[String; _]` must be type `usize`
help: consider giving `a` an explicit type, where the placeholders `_` are specified
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LL | let a: [_; _] = [const { String::new() }; _];
| ++++++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0284`.
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