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error[E0277]: can't compare `Error` with `Error`
--> $DIR/derives-span-PartialOrd-tuple-struct.rs:8:5
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LL | #[derive(PartialOrd,PartialEq)]
| ---------- in this derive macro expansion
LL | struct Struct(
LL | Error
| ^^^^^ no implementation for `Error < Error` and `Error > Error`
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= help: the trait `PartialOrd` is not implemented for `Error`
= note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `Error` with `#[derive(PartialOrd)]`
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LL + #[derive(PartialOrd)]
LL | struct Error;
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error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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