SOURCE_FILE
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "binding_power"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        LET_STMT
          LET_KW "let"
          WHITESPACE " "
          IDENT_PAT
            NAME
              IDENT "x"
          WHITESPACE " "
          EQ "="
          WHITESPACE " "
          BIN_EXPR
            BIN_EXPR
              LITERAL
                INT_NUMBER "1"
              WHITESPACE " "
              PLUS "+"
              WHITESPACE " "
              BIN_EXPR
                BIN_EXPR
                  LITERAL
                    INT_NUMBER "2"
                  WHITESPACE " "
                  STAR "*"
                  WHITESPACE " "
                  LITERAL
                    INT_NUMBER "3"
                WHITESPACE " "
                PERCENT "%"
                WHITESPACE " "
                LITERAL
                  INT_NUMBER "4"
            WHITESPACE " "
            MINUS "-"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "5"
              WHITESPACE " "
              SLASH "/"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "6"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            PLUS "+"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              STAR "*"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            SHL "<<"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              PLUS "+"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            AMP "&"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              SHR ">>"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            CARET "^"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              AMP "&"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            PIPE "|"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              CARET "^"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            EQ2 "=="
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              PIPE "|"
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            LITERAL
              INT_NUMBER "1"
            WHITESPACE " "
            AMP2 "&&"
            WHITESPACE " "
            BIN_EXPR
              LITERAL
                INT_NUMBER "2"
              WHITESPACE " "
              EQ2 "=="
              WHITESPACE " "
              LITERAL
                INT_NUMBER "3"
          SEMICOLON ";"
        WHITESPACE "\n    "
        COMMENT "//1 || 2 && 2;"
        WHITESPACE "\n    "
        COMMENT "//1 .. 2 || 3;"
        WHITESPACE "\n    "
        COMMENT "//1 = 2 .. 3;"
        WHITESPACE "\n    "
        COMMENT "//---&*1 - --2 * 9;"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n\n"
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "right_associative"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "a"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
              WHITESPACE " "
              EQ "="
              WHITESPACE " "
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "c"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "a"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
              WHITESPACE " "
              PLUSEQ "+="
              WHITESPACE " "
              BIN_EXPR
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "c"
                WHITESPACE " "
                MINUSEQ "-="
                WHITESPACE " "
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "d"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "a"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
              WHITESPACE " "
              STAREQ "*="
              WHITESPACE " "
              BIN_EXPR
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "c"
                WHITESPACE " "
                SLASHEQ "/="
                WHITESPACE " "
                BIN_EXPR
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "d"
                  WHITESPACE " "
                  PERCENTEQ "%="
                  WHITESPACE " "
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "e"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "a"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
              WHITESPACE " "
              AMPEQ "&="
              WHITESPACE " "
              BIN_EXPR
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "c"
                WHITESPACE " "
                PIPEEQ "|="
                WHITESPACE " "
                BIN_EXPR
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "d"
                  WHITESPACE " "
                  CARETEQ "^="
                  WHITESPACE " "
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "e"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            PATH_EXPR
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "a"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
              WHITESPACE " "
              SHLEQ "<<="
              WHITESPACE " "
              BIN_EXPR
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "c"
                WHITESPACE " "
                SHREQ ">>="
                WHITESPACE " "
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "d"
          SEMICOLON ";"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n\n"
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "mixed_associativity"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        COMMENT "// (a + b) = (c += ((d * e) = f))"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "a"
              WHITESPACE " "
              PLUS "+"
              WHITESPACE " "
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "b"
            WHITESPACE " "
            EQ "="
            WHITESPACE " "
            BIN_EXPR
              PATH_EXPR
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "c"
              WHITESPACE " "
              PLUSEQ "+="
              WHITESPACE " "
              BIN_EXPR
                BIN_EXPR
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "d"
                  WHITESPACE " "
                  STAR "*"
                  WHITESPACE " "
                  PATH_EXPR
                    PATH
                      PATH_SEGMENT
                        NAME_REF
                          IDENT "e"
                WHITESPACE " "
                EQ "="
                WHITESPACE " "
                PATH_EXPR
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "f"
          SEMICOLON ";"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n"
