SOURCE_FILE
  FN
    FN_KW "fn"
    WHITESPACE " "
    NAME
      IDENT "foo"
    PARAM_LIST
      L_PAREN "("
      R_PAREN ")"
    WHITESPACE " "
    BLOCK_EXPR
      STMT_LIST
        L_CURLY "{"
        WHITESPACE "\n    "
        EXPR_STMT
          CAST_EXPR
            LITERAL
              INT_NUMBER "82"
            WHITESPACE " "
            AS_KW "as"
            WHITESPACE " "
            PATH_TYPE
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "i32"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            CAST_EXPR
              LITERAL
                INT_NUMBER "81"
              WHITESPACE " "
              AS_KW "as"
              WHITESPACE " "
              PATH_TYPE
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "i8"
            WHITESPACE " "
            PLUS "+"
            WHITESPACE " "
            LITERAL
              INT_NUMBER "1"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            CAST_EXPR
              LITERAL
                INT_NUMBER "79"
              WHITESPACE " "
              AS_KW "as"
              WHITESPACE " "
              PATH_TYPE
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "i16"
            WHITESPACE " "
            MINUS "-"
            WHITESPACE " "
            LITERAL
              INT_NUMBER "1"
          SEMICOLON ";"
        WHITESPACE "\n    "
        EXPR_STMT
          BIN_EXPR
            CAST_EXPR
              LITERAL
                INT_NUMBER "0x36"
              WHITESPACE " "
              AS_KW "as"
              WHITESPACE " "
              PATH_TYPE
                PATH
                  PATH_SEGMENT
                    NAME_REF
                      IDENT "u8"
            WHITESPACE " "
            LTEQ "<="
            WHITESPACE " "
            LITERAL
              INT_NUMBER "0x37"
          SEMICOLON ";"
        WHITESPACE "\n"
        R_CURLY "}"
  WHITESPACE "\n"
