Minor formatting consistency fix.
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@@ -1444,7 +1444,7 @@ pub fn id() -> u32 {
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#[unstable(feature = "termination_trait_lib", issue = "43301")]
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#[rustc_on_unimplemented(
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message="`main` has invalid return type `{Self}`",
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label="`main` can only return types that implement {Termination}")]
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label="`main` can only return types that implement `{Termination}`")]
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pub trait Termination {
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/// Is called to get the representation of the value as status code.
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/// This status code is returned to the operating system.
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