2bea7c75b9eb8ca2957f841c761c4060fb4040ac
Use new objc class macro This PR removes the `class` function in favor of the [new `class` macro exposed by objc](https://github.com/SSheldon/rust-objc/issues/65) which caches access by class name. Note that this macro should eventually (through procedural macros) be able to link directly to the class. <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/core-foundation-rs/226) <!-- Reviewable:end -->
core-foundation-rs
Compatibility
By default it targets macOS 10.7.
To enable features added in macOS 10.8, set Cargo feature mac_os_10_8_features. To have both 10.8 features and 10.7 compatibility, also set mac_os_10_7_support. Setting both requires weak linkage, which is is a nighty-only feature as of Rust 1.19.
Description
Languages
Rust
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