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Add available! macro
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This includes internal methods for looking up the OS version at runtime,
and for looking up the deployment target at compile time.
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madsmtm committed Oct 4, 2024
1 parent 67a4acd commit c93eeb6
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Showing 25 changed files with 1,771 additions and 3 deletions.
7 changes: 7 additions & 0 deletions Cargo.lock

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2 changes: 2 additions & 0 deletions crates/objc2/CHANGELOG.md
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Expand Up @@ -24,6 +24,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
* Allow using `Into` to convert to retained objects.
* Make `Retained::into_super` an inherent method instead of an associated
method. This means that you can now use it as `.into_super()`.
* Added the `available!()` macro for determining whether code is running on
a given operating system.

### Changed
* **BREAKING**: Changed how you specify a class to only be available on the
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3 changes: 3 additions & 0 deletions crates/objc2/src/__macro_helpers/mod.rs
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@@ -1,6 +1,7 @@
pub use core::borrow::Borrow;
pub use core::cell::UnsafeCell;
pub use core::convert::AsRef;
pub use core::default::Default;
pub use core::marker::{PhantomData, Sized};
pub use core::mem::{size_of, ManuallyDrop, MaybeUninit};
pub use core::ops::Deref;
Expand All @@ -21,6 +22,7 @@ mod method_family;
mod module_info;
mod msg_send;
mod msg_send_retained;
mod os_version;
mod writeback;

pub use self::cache::{CachedClass, CachedSel};
Expand All @@ -38,6 +40,7 @@ pub use self::method_family::{
pub use self::module_info::ModuleInfo;
pub use self::msg_send::MsgSend;
pub use self::msg_send_retained::{MaybeUnwrap, MsgSendId, MsgSendSuperId};
pub use self::os_version::{is_available, AvailableVersion, OSVersion};

/// Disallow using this passed in value in const and statics for forwards
/// compatibility (this function is not a `const` function).
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