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Remove trait object warning. #666

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Aug 30, 2019
Merged

Remove trait object warning. #666

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9 changes: 0 additions & 9 deletions src/types/trait-object.md
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Expand Up @@ -49,14 +49,6 @@ if the sets of auto traits are the same and the lifetime bounds are the same.
For example, `dyn Trait + Send + UnwindSafe` is the same as
`dyn Trait + Unwindsafe + Send`.

<div class="warning">

***Warning:*** With two trait object types, even when the complete set of traits
is the same, if the base traits differ, the type is different. For example,
`dyn Send + Sync` is a different type from `dyn Sync + Send`. See [issue 33140].

</div>

Due to the opaqueness of which concrete type the value is of, trait objects are
[dynamically sized types]. Like all
<abbr title="dynamically sized types">DSTs</abbr>, trait objects are used
Expand Down Expand Up @@ -109,6 +101,5 @@ inferred with a sensible choice.
[auto traits]: ../special-types-and-traits.md#auto-traits
[defaults]: ../lifetime-elision.md#default-trait-object-lifetimes
[dynamically sized types]: ../dynamically-sized-types.md
[issue 33140]: https://github.com/rust-lang/rust/issues/33140
[object safe]: ../items/traits.md#object-safety
[supertraits]: ../items/traits.md#supertraits