Rust 1.23.0发布，Mozilla开发的系统编程语言

Rust 1.23.0 发布了。Rust 是一门由 Mozilla 开发的专注于安全性，速度和并发性的系统编程语言。

更新内容：

语言：

• Arbitrary auto traits are now permitted in trait objects.

• rustc now uses subtyping on the left hand side of binary operations. Which should fix some confusing errors in some operations.

编译器：

• Enabled TrapUnreachable in LLVM which should mitigate the impact of undefined behaviour.

• rustc now suggests renaming import if names clash.

• Display errors/warnings correctly when there are zero-width or wide characters.

• rustc now avoids unnecessary copies of arguments that are simple bindings This should improve memory usage on average by 5-10%.

• Updated musl used to build musl rustc to 1.1.17

库：

• Allow a trailing comma in assert_eq/ne macro

• Implement Hash for raw pointers to unsized types

• impl From<*mut T> for AtomicPtr<T>

• impl From<usize/isize> for AtomicUsize/AtomicIsize.

• Removed the T: Sync requirement for RwLock<T>: Send

• Removed T: Sized requirement for {<*const T>, <*mut T>}::as_ref and <*mut T>::as_mut

• Optimized Thread::{park, unpark} implementation

• Improved SliceExt::binary_search performance.

• impl FromIterator<()> for ()

• Copied AsciiExt trait methods to primitive types. Use of AsciiExt is now deprecated.

完整内容请查看发行说明。

下载地址：

•  Source code (zip)

•  Source code (tar.gz)