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bors[bot] 5f82012779 Merge #1669 
1669: Parse tuple struct field initialization r=matklad a=eupn

Closes #1218.

This PR modifies the parser to accept the following code:
```rust
fn main() {
    struct TupleStruct(usize);
    let s = TupleStruct {
        0: 1usize,
    };
    
    dbg!(s.0);
}
```

<details><summary>with following AST:</summary>

```
SOURCE_FILE@[0; 118)
  FN_DEF@[0; 116)
    FN_KW@[0; 2) "fn"
    WHITESPACE@[2; 3) " "
    NAME@[3; 7)
      IDENT@[3; 7) "main"
    PARAM_LIST@[7; 9)
      L_PAREN@[7; 8) "("
      R_PAREN@[8; 9) ")"
    WHITESPACE@[9; 10) " "
    BLOCK@[10; 116)
      L_CURLY@[10; 11) "{"
      WHITESPACE@[11; 16) "\n    "
      STRUCT_DEF@[16; 42)
        STRUCT_KW@[16; 22) "struct"
        WHITESPACE@[22; 23) " "
        NAME@[23; 34)
          IDENT@[23; 34) "TupleStruct"
        POS_FIELD_DEF_LIST@[34; 41)
          L_PAREN@[34; 35) "("
          POS_FIELD_DEF@[35; 40)
            PATH_TYPE@[35; 40)
              PATH@[35; 40)
                PATH_SEGMENT@[35; 40)
                  NAME_REF@[35; 40)
                    IDENT@[35; 40) "usize"
          R_PAREN@[40; 41) ")"
        SEMI@[41; 42) ";"
      WHITESPACE@[42; 47) "\n    "
      LET_STMT@[47; 94)
        LET_KW@[47; 50) "let"
        WHITESPACE@[50; 51) " "
        BIND_PAT@[51; 52)
          NAME@[51; 52)
            IDENT@[51; 52) "s"
        WHITESPACE@[52; 53) " "
        EQ@[53; 54) "="
        WHITESPACE@[54; 55) " "
        STRUCT_LIT@[55; 93)
          PATH@[55; 66)
            PATH_SEGMENT@[55; 66)
              NAME_REF@[55; 66)
                IDENT@[55; 66) "TupleStruct"
          WHITESPACE@[66; 67) " "
          NAMED_FIELD_LIST@[67; 93)
            L_CURLY@[67; 68) "{"
            WHITESPACE@[68; 77) "\n        "
            NAMED_FIELD@[77; 86)
              NAME_REF@[77; 78)
                INT_NUMBER@[77; 78) "0"
              COLON@[78; 79) ":"
              WHITESPACE@[79; 80) " "
              LITERAL@[80; 86)
                INT_NUMBER@[80; 86) "1usize"
            COMMA@[86; 87) ","
            WHITESPACE@[87; 92) "\n    "
            R_CURLY@[92; 93) "}"
        SEMI@[93; 94) ";"
      WHITESPACE@[94; 104) "\n    \n    "
      EXPR_STMT@[104; 114)
        MACRO_CALL@[104; 113)
          PATH@[104; 107)
            PATH_SEGMENT@[104; 107)
              NAME_REF@[104; 107)
                IDENT@[104; 107) "dbg"
          EXCL@[107; 108) "!"
          TOKEN_TREE@[108; 113)
            L_PAREN@[108; 109) "("
            IDENT@[109; 110) "s"
            DOT@[110; 111) "."
            INT_NUMBER@[111; 112) "0"
            R_PAREN@[112; 113) ")"
        SEMI@[113; 114) ";"
      WHITESPACE@[114; 115) "\n"
      R_CURLY@[115; 116) "}"
  WHITESPACE@[116; 118) "\n\n"
```

</summary>

Co-authored-by: Evgenii P <eupn@protonmail.com>
2019-08-09 09:21:50 +00:00
.cargo Overhaul installation process 2019-07-27 14:35:18 +03:00
.github Create FUNDING.yml 2019-07-06 08:33:19 +03:00
.vscode revert change to "check" since "build" is intentional 2019-03-10 14:57:30 +01:00
crates Make name_ref to accept numeric names optionally 2019-08-09 16:08:36 +07:00
docs Merge #1663 2019-08-07 18:31:37 +00:00
editors Merge #1652 2019-08-06 16:50:49 +00:00
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.travis.yml install npm deps once 2019-07-29 11:13:16 +03:00
bors.toml remove appveyor 2019-04-21 19:26:01 +03:00
Cargo.lock introduce ra_vfs_glob crate 2019-08-06 14:28:31 +02:00
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LICENSE-APACHE Licenses 2018-01-10 22:47:04 +03:00
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README.md

Rust Analyzer

Build Status

Rust Analyzer is an experimental modular compiler frontend for the Rust language. It is a part of a larger rls-2.0 effort to create excellent IDE support for Rust. If you want to get involved, check the rls-2.0 working group in the compiler-team repository:

https://github.com/rust-lang/compiler-team/tree/master/content/working-groups/rls-2.0

Work on the Rust Analyzer is sponsored by

Ferrous Systems

Language Server Quick Start

Rust Analyzer is a work-in-progress, so you'll have to build it from source, and you might encounter critical bugs. That said, it is complete enough to provide a useful IDE experience and some people use it as a daily driver.

To build rust-analyzer, you need:

  • latest stable rust for language server itself
  • latest stable npm and VS Code for VS Code extension (code should be in path)

For setup for other editors, see ./docs/user.

# clone the repo
$ git clone https://github.com/rust-analyzer/rust-analyzer && cd rust-analyzer

# install both the language server and VS Code extension
$ cargo install-ra

# alternatively, install only the server. Binary name is `ra_lsp_server`.
$ cargo install-ra --server

Documentation

If you want to contribute to rust-analyzer or just curious about how things work under the hood, check the ./docs/dev folder.

If you want to use rust-analyzer's language server with your editor of choice, check ./docs/user folder. It also contains some tips & tricks to help you be more productive when using rust-analyzer.

Getting in touch

We are on the rust-lang Zulip!

https://rust-lang.zulipchat.com/#narrow/stream/185405-t-compiler.2Frls-2.2E0

Quick Links

License

Rust analyzer is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

See LICENSE-APACHE and LICENSE-MIT for details.