update privacy checker to work with associated types#22990
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Mar 3, 2015
Associated types are now treated as part of the public API by the privacy checker.
If you were exposing a private type in your public API via an associated type, make that type public:
``` diff
pub struct PublicType { .. }
- struct Struct { .. }
+ pub struct Struct { .. }
pub trait PublicTrait {
type Output;
fn foo(&self) -> Self::Output;
}
impl PublicTrait for PublicType {
type Output = Struct;
fn foo(&self) -> Struct { // `Struct` is part of the public API, it must be marked as `pub`lic
..
}
}
```
[breaking-change]
---
r? @nikomatsakis
closes rust-lang#22912
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Associated types are now treated as part of the public API by the privacy checker.
If you were exposing a private type in your public API via an associated type, make that type public:
pub struct PublicType { .. } - struct Struct { .. } + pub struct Struct { .. } pub trait PublicTrait { type Output; fn foo(&self) -> Self::Output; } impl PublicTrait for PublicType { type Output = Struct; fn foo(&self) -> Struct { // `Struct` is part of the public API, it must be marked as `pub`lic .. } }[breaking-change]
r? @nikomatsakis
closes #22912