{
  "name": "Rust",
  "scopeName": "source.rust",
  "fileTypes": [
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  "repository": {
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      "name": "comment.block.documentation.rust",
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        {
          "include": "#block_comment"
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    "block_comment": {
      "comment": "Block comment",
      "name": "comment.block.rust",
      "begin": "/\\*",
      "end": "\\*/",
      "patterns": [
        {
          "include": "#block_doc_comment"
        },
        {
          "include": "#block_comment"
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    "line_doc_comment": {
      "comment": "Single-line documentation comment",
      "name": "comment.line.documentation.rust",
      "begin": "//[!/](?=[^/])",
      "end": "$"
    },
    "line_comment": {
      "comment": "Single-line comment",
      "name": "comment.line.double-slash.rust",
      "begin": "//",
      "end": "$"
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    "escaped_character": {
      "name": "constant.character.escape.rust",
      "match": "\\\\(x\\h{2}|[0-2][0-7]{,2}|3[0-6][0-7]?|37[0-7]?|[4-7][0-7]?|.)"
    },
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      "comment": "Double-quote string literal",
      "name": "string.quoted.double.rust",
      "begin": "b?\"",
      "end": "\"",
      "patterns": [
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          "include": "#escaped_character"
        }
      ]
    },
    "raw_string_literal": {
      "comment": "Raw double-quote string literal",
      "name": "string.quoted.double.raw.rust",
      "match": "b?r(#*)\".*?\"(\\1)"
    },
    "sigils": {
      "comment": "Sigil",
      "name": "keyword.operator.sigil.rust",
      "match": "[&*](?=[a-zA-Z0-9_\\(\\[\\|\\\"]+)"
    },
    "self": {
      "comment": "Self variable",
      "name": "variable.language.rust",
      "match": "\\bself\\b"
    },
    "mut": {
      "comment": "Mutable storage modifier",
      "name": "storage.modifier.mut.rust",
      "match": "\\bmut\\b"
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      "comment": "Box storage modifier",
      "name": "storage.modifier.box.rust",
      "match": "\\bbox\\b"
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    "lifetime": {
      "comment": "Named lifetime",
      "name": "storage.modifier.lifetime.rust",
      "match": "'([a-zA-Z_][a-zA-Z0-9_]*)\\b",
      "captures": {
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    "ref_lifetime": {
      "comment": "Reference with named lifetime",
      "match": "&('([a-zA-Z_][a-zA-Z0-9_]*))\\b",
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    "types": {
      "comment": "Built-in type",
      "name": "storage.type.rust",
      "match": "\\b(bool|char|usize|isize|u8|u16|u32|u64|i8|i16|i32|i64|f32|f64|str|Self)\\b"
    },
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      "comment": "Core trait (marker)",
      "name": "support.type.marker.rust",
      "match": "\\b(Copy|Send|Sized|Sync)\\b"
    },
    "ops": {
      "comment": "Core trait (op)",
      "name": "support.type.ops.rust",
      "match": "\\b(Drop|Fn|FnMut|FnOnce)\\b"
    },
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      "comment": "Standard library type",
      "name": "storage.class.std.rust",
      "match": "\\b(Box|Option|Path|PathBuf|Result|String|Vec)\\b"
    },
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      "comment": "Standard library type variant",
      "name": "support.constant.std.rust",
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      "comment": "Standard library trait",
      "name": "support.type.std.rust",
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    },
    "type_params": {
      "comment": "Type parameters",
      "name": "meta.type_params.rust",
      "begin": "<",
      "end": ">",
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          "include": "#block_comment"
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        {
          "include": "#line_comment"
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      "include": "#line_comment"
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    },
    {
      "include": "#string_literal"
    },
    {
      "include": "#raw_string_literal"
    },
    {
      "comment": "Floating point literal (fraction)",
      "name": "constant.numeric.float.rust",
      "match": "\\b[0-9][0-9_]*\\.[0-9][0-9_]*([eE][+-][0-9_]+)?(f32|f64)?\\b"
    },
    {
      "comment": "Floating point literal (exponent)",
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      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?[eE][+-][0-9_]+(f32|f64)?\\b"
    },
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      "comment": "Floating point literal (typed)",
      "name": "constant.numeric.float.rust",
      "match": "\\b[0-9][0-9_]*(\\.[0-9][0-9_]*)?([eE][+-][0-9_]+)?(f32|f64)\\b"
    },
    {
      "comment": "Integer literal (decimal)",
      "name": "constant.numeric.integer.decimal.rust",
      "match": "\\b[0-9][0-9_]*([ui](8|16|32|64|s|size))?\\b"
    },
    {
      "comment": "Integer literal (hexadecimal)",
      "name": "constant.numeric.integer.hexadecimal.rust",
      "match": "\\b0x[a-fA-F0-9_]+([ui](8|16|32|64|s|size))?\\b"
    },
    {
      "comment": "Integer literal (octal)",
      "name": "constant.numeric.integer.octal.rust",
      "match": "\\b0o[0-7_]+([ui](8|16|32|64|s|size))?\\b"
    },
    {
      "comment": "Integer literal (binary)",
      "name": "constant.numeric.integer.binary.rust",
      "match": "\\b0b[01_]+([ui](8|16|32|64|s|size))?\\b"
    },
    {
      "comment": "Static storage modifier",
      "name": "storage.modifier.static.rust",
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    },
    {
      "comment": "Const storage modifier",
      "name": "storage.modifier.const.rust",
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    },
    {
      "comment": "Visibility modifier",
      "name": "storage.modifier.visibility.rust",
      "match": "\\bpub\\b"
    },
    {
      "comment": "Boolean constant",
      "name": "constant.language.boolean.rust",
      "match": "\\b(true|false)\\b"
    },
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      "comment": "Control keyword",
      "name": "keyword.control.rust",
      "match": "\\b(break|continue|else|if|in|for|loop|match|return|while)\\b"
    },
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      "comment": "Keyword",
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      "match": "\\b(crate|extern|mod|let|proc|ref|use|super|as|where|move)\\b"
    },
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      "comment": "Unsafe code keyword",
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      "include": "#sigils"
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      "include": "#self"
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      "include": "#mut"
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    {
      "include": "#box"
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    {
      "include": "#lifetime"
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    {
      "include": "#ref_lifetime"
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      "name": "keyword.operator.rust",
      "match": "(\\+|-|/|\\*|=|\\^|&|\\||!|>|<|%|::|\\bas\\b)"
    },
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      "include": "#types"
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    {
      "include": "#ops"
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    {
      "include": "#std_types"
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    {
      "include": "#std_vars"
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    {
      "include": "#std_traits"
    },
    {
      "comment": "Built-in macro",
      "name": "support.function.builtin.rust",
      "match": "\\b(macro_rules|format_args|env|option_env|concat_idents|concat|log_syntax|line|column|file|stringify|include|include_str|include_bytes|module_path|asm|cfg|trace_macros)!"
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      "match": "\\b(format|print|println|select|vec)!"
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      "comment": "Logging macro",
      "name": "support.function.log.rust",
      "match": "\\b(log|error|warn|info|debug|trace|log_enabled)!"
    },
    {
      "comment": "Invokation of a macro",
      "match": "\\b([a-zA-Z_][a-zA-Z0-9_]*\\!)\\s*[({\\[]",
      "captures": {
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    {
      "comment": "Function call",
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      "beginCaptures": {
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      "end": "[\\{;]",
      "beginCaptures": {
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    {
      "comment": "Variable declaration",
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          "include": "#type_params"
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        {
          "include": "$self"
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}