std::os::unix::net::UnixListener::bind_addrĬheck out everything that changed in Rust, Cargo, and Clippy.std::os::unix::net::UnixDatagram::send_to_addr.std::os::unix::net::UnixDatagram::connect_addr.std::os::unix::net::UnixDatagram::bind_addr.A common use case is for programs to distinguish between running in scripts or interactive modes, like presenting colors or even a full TUI when interactive. This is another case of standardizing functionality that existed in external crates, like atty and is-terminal, using the C library isatty function on Unix targets and similar functionality elsewhere. This newly-stabilized trait has a single method, is_terminal, to determine if a given file descriptor or handle represents a terminal or TTY. There are still more methods that may be stabilized in the future, as well as companion Laz圜ell and LazyLock types that store their initializing function, but this first step in stabilization should already cover many use cases. Std::thread::yield_now() // give them a chance.Ĭrates such as lazy_static and once_cell have filled this need in the past, but now these building blocks are part of the standard library, ported from once_cell's unsync and sync modules. Static WINNER: OnceLock = OnceLock::new() These can be used anywhere that immediate construction is not wanted, and perhaps not even possible like non- const data in global variables. Two new types have been stabilized for one-time initialization of shared data, OnceCell and its thread-safe counterpart OnceLock. Once you have fully committed to using the sparse protocol, you may want to clear out the old $CARGO_HOME/registry/*/-* paths. ![]() One side-effect to note about changing the access method is that this also changes the path to the crate cache, so dependencies will be downloaded anew. If for some reason you need to stay with the previous default of using the git index hosted by GitHub, the config setting can be used to change the default. Users behind a restrictive firewall will need to ensure that access to is available. You should see substantially improved performance when fetching information from the crates.io index. The announced plan was to make that the default in 1.70.0, and here it is! This feature was previously stabilized with Rust 1.68.0, but still required configuration to use that with crates.io. Please report any bugs you might come across! What's in 1.70.0 stable Sparse by default for crates.ioĬargo's "sparse" protocol is now enabled by default for reading the index from crates.io. If you'd like to help us out by testing future releases, you might consider updating locally to use the beta channel ( rustup default beta) or the nightly channel ( rustup default nightly). If you don't have it already, you can get rustup from the appropriate page on our website, and check out the detailed release notes for 1.70.0 on GitHub. If you have a previous version of Rust installed via rustup, you can get 1.70.0 with: rustup update stable Rust is a programming language empowering everyone to build reliable and efficient software. ![]() The Rust team is happy to announce a new version of Rust, 1.70.0.
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