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2020-04-06-changelog-19.adoc

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Changelog #19

Commit: commit:ec3fb1cdb4f1808a11fb6057550ed721c2aa36a9[]
Release: release:2020-04-06[]

New Features

  • BREAKING pr:3824[] changed the name of many options. The current set is specified here. If you are using a non-VS Code client, note that rust-analyzer now asks for rust-analyzer secion of configuration, and expects this config to be present in initializationOptions.

  • pr:3804[], pr:3825[] it is now possible to use arbitrary command for on the fly error checking:

    {
    "rust-analyzer.checkOnSave.overrideCommand": [
        "./x.py", "check", "--json-output"
    ]
}

  • pr:3807[], pr:3825[] similarly, it is now possible to completely override rustfmt command.

  • pr:3820[] remove support for old syntax highlighting. To use the new semantic tokens highlighting:

    1. install the recent vscode insiders build

    2. add

      {
    "rust-analyzer.highlighting.semanticTokens": true,
    "editor.semanticHighlighting.enabled": false,
}

      to config

    3. run vscode as code-insiders --enabled-proposed-api matklad.rust-analyzer

    4. make sure to use a color theme with support for syntax highlighitng.

    5. Rust specific tokens and modifiers are listed here. For example, to underline all mut and &mut variables, add this to settings.json:

      "editor.tokenColorCustomizationsExperimental": {
    "*.mutable": {
        "fontStyle": "underline"
    }
}

  • pr:3814[] add Implement From for enum variant assist

    78559964 8f2da100 7815 11ea 99a4 00b431df7022

  • pr:3746[] add Create function assist.

    78560241 111dca00 7816 11ea 89a4 5489ddf6d9dc

  • pr:3840[] automatically add call parenthesis for tuple-like enum variants

    78560584 9a350100 7816 11ea 93ad 66bf625fcb93

  • pr:3666[] handle some configuration changes without server restart.

  • pr:3777[] populate default task list in VS Code with cargo commands.

  • pr:3765[] SSR no longer takes field order into account.

  • pr:3829[] SSR treats method call and UFCS equivalently.

  • pr:3779[] code completion for recrod literals now suggest only fields which are not already present.

Fixes

  • pr:3785[] attach doc comments to declaration even if there’s a blank line after comment.

  • pr:3781[], pr:3819[] make Run action correctly handle the case with several major versions of the package in the crate graph.

  • pr:3786[] Fill Match Arms assits does not leave the floating comma behind.

  • pr:3797[] don’t show chaining hints for record literals and unit structs.

  • pr:3844[] make sure that default configuration values are honored.

  • pr:3857[] fix inference of function pointer return types.

  • pr:3858[] don’t show return type for ()-returning function.

Internal Improvements

  • pr:3817[], pr:3815[], pr:3816[] Show Syntax Tree internal command now has syntax highlighting and auto scroll from source.

  • pr:3805[], pr:3806[], pr:3811[] lower literal patterns.

  • pr:3790[] use uniiform naming (config) for all configuration-related functionality.

  • pr:3792[], pr:3802[] inspired by Emacs, rename "cargo watch" functionality to flycheck.

  • pr:3738[], pr:3800[] more groundwork for proc-macro support.

  • pr:3793[] add integrated test for code-generating build.rs.

  • pr:3795[] decouple flycheck and project model.

  • pr:3809[] reduce the number of structs holding configuration from three to one.

  • pr:3836[] wrap macros in pattern position into ast::MacroPat node to not confuse them with expressions.

  • pr:3744[] upgrade chalk.