Clarify `Any` docs
The `Any` docs previously did not state that only `'static` types implement it.
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@ -8,10 +8,10 @@
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Traits for dynamic typing of any type (through runtime reflection)
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//! Traits for dynamic typing of any `'static` type (through runtime reflection)
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//!
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//! This module implements the `Any` trait, which enables dynamic typing
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//! of any type, through runtime reflection.
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//! of any `'static` type through runtime reflection.
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//!
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//! `Any` itself can be used to get a `TypeId`, and has more features when used as a trait object.
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//! As `&Any` (a borrowed trait object), it has the `is` and `as_ref` methods, to test if the
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@ -32,8 +32,10 @@ pub enum Void { }
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// Any trait
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///////////////////////////////////////////////////////////////////////////////
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/// The `Any` trait is implemented by all types, and can be used as a trait object
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/// for dynamic typing
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/// The `Any` trait is implemented by all `'static` types, and can be used for dynamic typing
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///
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/// Every type with no non-`'static` references implements `Any`, so `Any` can be used as a trait
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/// object to emulate the effects dynamic typing.
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pub trait Any {
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/// Get the `TypeId` of `self`
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fn get_type_id(&self) -> TypeId;
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