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rustfmt v1.4.33 Release Notes

Release Date: 2021-01-27 // about 3 years ago

  • 🔄 Changed

    • 🔧 merge_imports configuration has been deprecated in favor of the new imports_granularity option. Any existing usage of merge_imports will be automatically mapped to the corresponding value on imports_granularity with a warning message printed to encourage users to update their config files.

    ➕ Added

    • 🔀 New imports_granularity option has been added which succeeds merge_imports. This new option supports several additional variants which allow users to merge imports at different levels (crate or module), and even flatten imports to have a single use statement per item. (PR #4634, PR #4639)

    👀 See the section on the configuration site for more information https://rust-lang.github.io/rustfmt/?version=v1.4.33&search=#imports_granularity

    🛠 Fixed

    • 🛠 Fix erroneous removal of const keyword on const trait impl (#4084)
    • 🛠 Fix incorrect span usage wit const generics in supertraits (#4204)
    • 👉 Use correct span for const generic params (#4263)
    • Correct span on const generics to include type bounds (#4310)
    • Idempotence issue on blocks containing only empty statements (#4627 and #3868)
    • 🛠 Fix issue with semicolon placement on required functions that have a trailing comment that ends in a line-style comment before the semicolon (#4646)
    • Avoid shared interned cfg_if symbol since rustfmt can re-initialize the rustc_ast globals on multiple inputs (#4656)

    Install/Download Options

    • 📦 crates.io package - pending
    • rustup (nightly) - n/a (superseded by v1.4.34)
    • 🚀 GitHub Release Binaries - Release v1.4.33
    • 🏗 Build from source - Tag v1.4.33, see instructions for how to [install rustfmt from source][install-from-source]