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Remove core::any::AnyPrivate 

[Previously](e5da6a71a6),
the `Any` trait was split into a private portion and an (empty) public
portion, in order to hide the implementation strategy used for
downcasting. However, the [new
rules](e9ad12c0ca)
for privacy forbid `AnyPrivate` from actually being private.

This patch thus reverts the introduction of `AnyPrivate`.

Although this is unlikely to break any real code, it removes a public
trait and is therefore a:

[breaking-change]
This commit is contained in:
Aaron Turon 2014-10-03 10:46:41 -07:00
parent b5ba2f5517
commit 07cfc252a1
1 changed files with 2 additions and 7 deletions
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9
src/libcore/any.rs
View File

@ -91,20 +91,15 @@ pub enum Void { }
/// Every type with no non-`'static` references implements `Any`, so `Any` can
/// be used as a trait object to emulate the effects dynamic typing.
#[stable]
pub trait Any: AnyPrivate + 'static {}
/// An inner trait to ensure that only this module can call `get_type_id()`.
pub trait AnyPrivate {
pub trait Any: 'static {
/// Get the `TypeId` of `self`
fn get_type_id(&self) -> TypeId;
}
impl<T: 'static> AnyPrivate for T {
impl<T: 'static> Any for T {
fn get_type_id(&self) -> TypeId { TypeId::of::<T>() }
}
impl<T: 'static + AnyPrivate> Any for T {}
///////////////////////////////////////////////////////////////////////////////
// Extension methods for Any trait objects.
// Implemented as three extension traits so that the methods can be generic.