SOURCE_FILE
  CONST
    CONST_KW "const"
    WHITESPACE " "
    NAME
      IDENT "C"
    GENERIC_PARAM_LIST
      L_ANGLE "<"
      TYPE_PARAM
        NAME
          IDENT "i32"
      R_ANGLE ">"
    COLON ":"
    WHITESPACE " "
    PATH_TYPE
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "u32"
    WHITESPACE " "
    EQ "="
    WHITESPACE " "
    LITERAL
      INT_NUMBER "0"
    WHITESPACE "\n"
    WHERE_CLAUSE
      WHERE_KW "where"
      WHITESPACE " "
      WHERE_PRED
        PATH_TYPE
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "i32"
        COLON ":"
        WHITESPACE " "
        TYPE_BOUND_LIST
          TYPE_BOUND
            PATH_TYPE
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "Copy"
    SEMICOLON ";"
  WHITESPACE "\n"
  TRAIT
    TRAIT_KW "trait"
    WHITESPACE " "
    NAME
      IDENT "Foo"
    WHITESPACE " "
    ASSOC_ITEM_LIST
      L_CURLY "{"
      WHITESPACE "\n    "
      CONST
        CONST_KW "const"
        WHITESPACE " "
        NAME
          IDENT "C"
        COLON ":"
        WHITESPACE " "
        PATH_TYPE
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "i32"
        WHITESPACE " "
        WHERE_CLAUSE
          WHERE_KW "where"
          WHITESPACE " "
          WHERE_PRED
            PATH_TYPE
              PATH
                PATH_SEGMENT
                  NAME_REF
                    IDENT "i32"
            COLON ":"
            WHITESPACE " "
            TYPE_BOUND_LIST
              TYPE_BOUND
                PATH_TYPE
                  PATH
                    PATH_SEGMENT
                      NAME_REF
                        IDENT "Copy"
        SEMICOLON ";"
      WHITESPACE "\n"
      R_CURLY "}"
  WHITESPACE "\n"
