Rust.JSON-tmLanguage

{ "name": "Rust",
  "scopeName": "source.rust",
  "fileTypes": ["rs", "rc"],
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  "foldingStopMarker": "^\\s*\\}",
  "patterns": [
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     "match": "'[a-zA-Z_][a-zA-Z0-9_]*(?=[^\'])"
    },
    {"name": "string.quoted.single.source.rust",
     "begin": "'",
     "end": "'",
     "patterns": [
      {"include": "#rust_escaped_character"}
      ]
    },
    {"name": "string.quoted.double.source.rust",
     "begin": "\"",
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     "patterns": [
      {"include": "#rust_escaped_character"}
     ]
    },
    {"name": "meta.function.source.rust",
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        "2": {"name": "entity.name.function.source.rust"},
        "3": {"name": "keyword.operator.rust"}
        }
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    },
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     "match": "\\b(true|false|Some|None|Left|Right|Ok|Err)\\b"
    },
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     "match": "\\[|\\]"
    },
    {"name": "keyword.operator.rust",
     "match": "\\(|\\)"
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    },
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    },
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    },
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    },
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     "match": "_"
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}