Rust programming language version 1.25 released:

Rust is a programming language that helps you write faster, more reliable software. High-level ergonomics and low-level control are often at odds with each other in programming language design; Rust stands to challenge that. Through balancing powerful technical capacity and a great developer experience, Rust gives you the option to control low-level details (such as memory usage) without all the hassle traditionally associated with such control.

Featuring

• zero-cost abstractions
• move semantics
• guaranteed memory safety
• threads without data races
• trait-based generics
• pattern matching
• type inference
• minimal runtime
• efficient C bindings

Rust 1.25 has been released. This is not a particularly large version update, but it is worth noting that the compiler has been upgraded from LLVM 4 to LLVM 6.

Changelog

Language

• Stabilised #[repr(align(x))]. RFC 1358
• You can now use nested groups of imports. e.g. use std::{fs::File, io::Read, path::{Path, PathBuf}};
• You can now have | at the start of a match arm. e.g.
  

  enum Foo { A, B, C }
  
  
  
  fn main() {
  
      let x = Foo::A;
  
      match x {
  
          | Foo::A
  
          | Foo::B => println!("AB"),
  
          | Foo::C => println!("C"),
  
      }
  
  }

Compiler

• Upgraded to LLVM 6.
• Added -C lto=val option.
• Added i586-unknown-linux-musl target

Libraries

• Impl Send for process::Command on Unix.
• Impl PartialEq and Eq for ParseCharError.
• UnsafeCell::into_inner is now safe.
• Implement libstd for CloudABI.
• Float::{from_bits, to_bits} is now available in libcore.
• Implement AsRef<Path> for Component
• Implemented Write for Cursor<&mut Vec<T>>
• Moved Duration to libcore.

Stabilized APIs

• Location::column
• ptr::NonNull

The following functions can now be used in a constant expression. eg. static MINUTE: Duration = Duration::from_secs(60);

• Duration::new
• Duration::from_secs
• Duration::from_millis
• Duration::from_micros
• Duration::from_nanos

Cargo

• cargo new no longer removes rust or rs prefixs/suffixs.
• cargo new now defaults to creating a binary crate, instead of a library crate.

Misc

• Rust by example is now shipped with new releases

Update

$ rustup update stable

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