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Clarify Any docs #14840

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Clarify Any docs #14840

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10 changes: 6 additions & 4 deletions src/libcore/any.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,10 @@
// option. This file may not be copied, modified, or distributed
// except according to those terms.

//! Traits for dynamic typing of any type (through runtime reflection)
//! Traits for dynamic typing of any `'static` type (through runtime reflection)
//!
//! This module implements the `Any` trait, which enables dynamic typing
//! of any type, through runtime reflection.
//! of any `'static` type through runtime reflection.
//!
//! `Any` itself can be used to get a `TypeId`, and has more features when used as a trait object.
//! As `&Any` (a borrowed trait object), it has the `is` and `as_ref` methods, to test if the
Expand All @@ -32,8 +32,10 @@ pub enum Void { }
// Any trait
///////////////////////////////////////////////////////////////////////////////

/// The `Any` trait is implemented by all types, and can be used as a trait object
/// for dynamic typing
/// The `Any` trait is implemented by all `'static` types, and can be used for dynamic typing
///
/// Every type with no non-`'static` references implements `Any`, so `Any` can be used as a trait
/// object to emulate the effects dynamic typing.
pub trait Any {
/// Get the `TypeId` of `self`
fn get_type_id(&self) -> TypeId;
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