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109: Release 0.4.0 r=taiki-e a=taiki-e cc #21 ### Changes since the latest 0.3 release: * **Pin projection has become a safe operation.** In the absence of other unsafe code that you write, it is impossible to cause undefined behavior. (#18) * `#[unsafe_project]` attribute has been replaced with `#[pin_project]` attribute. (#18, #33) * The `Unpin` argument has been removed - an `Unpin` impl is now generated by default. (#18) * Drop impls must be specified with `#[pinned_drop]` instead of via a normal `Drop` impl. (#18, #33, #86) * `Unpin` impls must be specified with an impl of `UnsafeUnpin`, instead of implementing the normal `Unpin` trait. (#18) * `#[pin_project]` attribute now determines the visibility of the projection type/method is based on the original type. (#96) * `#[pin_project]` can now be used for public type with private field types. (#53) * `#[pin_project]` can now interoperate with `#[cfg()]`. (#77) * Added `project_ref` method to `#[pin_project]` types. (#93) * Added `#[project_ref]` attribute. (#93) * Removed "project_attr" feature and always enable `#[project]` attribute. (#94) * `#[project]` attribute can now be used for `impl` blocks. (#46) * `#[project]` attribute can now be used for `use` statements. (#85) * `#[project]` attribute now supports `match` expressions at the position of the initializer expression of `let` expressions. (#51) ### Changes since the 0.4.0-beta.1 release: * Fixed an issue that caused an error when using `#[pin_project(UnsafeUnpin)]` and not providing a manual `UnsafeUnpin` implementation on a type with no generics or lifetime. (#107) Co-authored-by: Taiki Endo <te316e89@gmail.com>
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@taiki-e thank you for doing all this <3! |
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cc #21
Changes since the latest 0.3 release:
Pin projection has become a safe operation. In the absence of other unsafe code that you write, it is impossible to cause undefined behavior. (Replace
unsafe_projectwith safepin_projectableattribute #18)#[unsafe_project]attribute has been replaced with#[pin_project]attribute. (Replaceunsafe_projectwith safepin_projectableattribute #18, Remove pin_project! macro and add #[pinned_drop] attribute #33)The
Unpinargument has been removed - anUnpinimpl is now generated by default. (Replaceunsafe_projectwith safepin_projectableattribute #18)Drop impls must be specified with
#[pinned_drop]instead of via a normalDropimpl. (Replaceunsafe_projectwith safepin_projectableattribute #18, Remove pin_project! macro and add #[pinned_drop] attribute #33, Change #[pinned_drop] to trait implementation #86)Unpinimpls must be specified with an impl ofUnsafeUnpin, instead of implementing the normalUnpintrait. (Replaceunsafe_projectwith safepin_projectableattribute #18)#[pin_project]attribute now determines the visibility of the projection type/method is based on the original type. (Determine the visibility based on the original type #96)#[pin_project]can now be used for public type with private field types. (Allow using #[pin_project] type with private field types #53)#[pin_project]can now interoperate with#[cfg()]. (Move automatic generation of Unpin implementation to proc-macro-derive #77)Added
project_refmethod to#[pin_project]types. (Add project_ref method and #[project_ref] attribute #93)Added
#[project_ref]attribute. (Add project_ref method and #[project_ref] attribute #93)Removed "project_attr" feature and always enable
#[project]attribute. (Remove "project_attr" feature and always enable #[project] attribute #94)#[project]attribute can now be used forimplblocks. (Add impl block support to #[project] attribute #46)#[project]attribute can now be used forusestatements. (Add use statements support to #[project] attribute #85)#[project]attribute now supportsmatchexpressions at the position of the initializer expression ofletexpressions. (Support #[project] attribute on 'let var = match' exressions #51)Changes since the 0.4.0-beta.1 release:
#[pin_project(UnsafeUnpin)]and not providing a manualUnsafeUnpinimplementation on a type with no generics or lifetime. (Add a dummy lifetime to Wrapper #107)