SOURCE_FILE
  COMMENT "// https://github.com/rust-analyzer/rust-analyzer/issues/972"
  WHITESPACE "\n\n"
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "main"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        EXPR_STMT
          MATCH_EXPR
            MATCH_KW "match"
            WHITESPACE " "
            CALL_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "Some"
              ARG_LIST
                L_PAREN "("
                PREFIX_EXPR
                  MINUS "-"
                  LITERAL
                    INT_NUMBER "1"
                R_PAREN ")"
            WHITESPACE " "
            MATCH_ARM_LIST
              L_CURLY "{"
              WHITESPACE "\n        "
              MATCH_ARM
                TUPLE_STRUCT_PAT
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "Some"
                  L_PAREN "("
                  LITERAL_PAT
                    MINUS "-"
                    LITERAL
                      INT_NUMBER "1"
                  R_PAREN ")"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n        "
              MATCH_ARM
                WILDCARD_PAT
                  UNDERSCORE "_"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n    "
              R_CURLY "}"
        WHITESPACE "\n\n    "
        EXPR_STMT
          MATCH_EXPR
            MATCH_KW "match"
            WHITESPACE " "
            CALL_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "Some"
              ARG_LIST
                L_PAREN "("
                TUPLE_EXPR
                  L_PAREN "("
                  PREFIX_EXPR
                    MINUS "-"
                    LITERAL
                      INT_NUMBER "1"
                  COMMA ","
                  WHITESPACE " "
                  PREFIX_EXPR
                    MINUS "-"
                    LITERAL
                      INT_NUMBER "1"
                  R_PAREN ")"
                R_PAREN ")"
            WHITESPACE " "
            MATCH_ARM_LIST
              L_CURLY "{"
              WHITESPACE "\n        "
              MATCH_ARM
                TUPLE_STRUCT_PAT
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "Some"
                  L_PAREN "("
                  TUPLE_PAT
                    L_PAREN "("
                    LITERAL_PAT
                      MINUS "-"
                      LITERAL
                        INT_NUMBER "1"
                    COMMA ","
                    WHITESPACE " "
                    LITERAL_PAT
                      MINUS "-"
                      LITERAL
                        INT_NUMBER "1"
                    R_PAREN ")"
                  R_PAREN ")"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n        "
              MATCH_ARM
                WILDCARD_PAT
                  UNDERSCORE "_"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n    "
              R_CURLY "}"
        WHITESPACE "\n\n    "
        EXPR_STMT
          MATCH_EXPR
            MATCH_KW "match"
            WHITESPACE " "
            CALL_EXPR
              PATH_EXPR
                PATH
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "A"
                  COLON2 "::"
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "B"
              ARG_LIST
                L_PAREN "("
                PREFIX_EXPR
                  MINUS "-"
                  LITERAL
                    INT_NUMBER "1"
                COMMA ","
                WHITESPACE " "
                PREFIX_EXPR
                  MINUS "-"
                  LITERAL
                    INT_NUMBER "1"
                R_PAREN ")"
            WHITESPACE " "
            MATCH_ARM_LIST
              L_CURLY "{"
              WHITESPACE "\n        "
              MATCH_ARM
                TUPLE_STRUCT_PAT
                  PATH
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "A"
                    COLON2 "::"
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "B"
                  L_PAREN "("
                  LITERAL_PAT
                    MINUS "-"
                    LITERAL
                      INT_NUMBER "1"
                  COMMA ","
                  WHITESPACE " "
                  LITERAL_PAT
                    MINUS "-"
                    LITERAL
                      INT_NUMBER "1"
                  R_PAREN ")"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n        "
              MATCH_ARM
                WILDCARD_PAT
                  UNDERSCORE "_"
                WHITESPACE " "
                FAT_ARROW "=>"
                WHITESPACE " "
                TUPLE_EXPR
                  L_PAREN "("
                  R_PAREN ")"
                COMMA ","
              WHITESPACE "\n    "
              R_CURLY "}"
        WHITESPACE "\n\n    "
        IF_EXPR
          IF_KW "if"
          WHITESPACE " "
          CONDITION
            LET_KW "let"
            WHITESPACE " "
            TUPLE_STRUCT_PAT
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "Some"
              L_PAREN "("
              LITERAL_PAT
                MINUS "-"
                LITERAL
                  INT_NUMBER "1"
              R_PAREN ")"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            CALL_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "Some"
              ARG_LIST
                L_PAREN "("
                PREFIX_EXPR
                  MINUS "-"
                  LITERAL
                    INT_NUMBER "1"
                R_PAREN ")"
          WHITESPACE " "
          BLOCK_EXPR
            STMT_LIST
              L_CURLY "{"
              WHITESPACE "\n    "
              R_CURLY "}"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n\n"
  ENUM
    ENUM_KW "enum"
    WHITESPACE " "
    NAME
      IDENT "A"
    WHITESPACE " "
    VARIANT_LIST
      L_CURLY "{"
      WHITESPACE "\n    "
      VARIANT
        NAME
          IDENT "B"
        TUPLE_FIELD_LIST
          L_PAREN "("
          TUPLE_FIELD
            PATH_TYPE
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "i8"
          COMMA ","
          WHITESPACE " "
          TUPLE_FIELD
            PATH_TYPE
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "i8"
          R_PAREN ")"
      WHITESPACE "\n"
      R_CURLY "}"
  WHITESPACE "\n\n"
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "foo"
    PARAM_LIST
      L_PAREN "("
      PARAM
        RANGE_PAT
          LITERAL_PAT
            MINUS "-"
            LITERAL
              INT_NUMBER "128"
          DOT2EQ "..="
          LITERAL_PAT
            LITERAL
              INT_NUMBER "127"
        COLON ":"
        WHITESPACE " "
        PATH_TYPE
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "i8"
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        R_CURLY "}"
  WHITESPACE "\n"