SOURCE_FILE
  IMPL
    IMPL_KW "impl"
    WHITESPACE " "
    PATH_TYPE
      PATH
        PATH_SEGMENT
          NAME_REF
            IDENT "F"
    WHITESPACE " "
    ASSOC_ITEM_LIST
      L_CURLY "{"
      WHITESPACE "\n    "
      TYPE_ALIAS
        TYPE_KW "type"
        WHITESPACE " "
        NAME
          IDENT "A"
        WHITESPACE " "
        EQ "="
        WHITESPACE " "
        PATH_TYPE
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "i32"
        SEMICOLON ";"
      WHITESPACE "\n    "
      CONST
        CONST_KW "const"
        WHITESPACE " "
        NAME
          IDENT "B"
        COLON ":"
        WHITESPACE " "
        PATH_TYPE
          PATH
            PATH_SEGMENT
              NAME_REF
                IDENT "i32"
        WHITESPACE " "
        EQ "="
        WHITESPACE " "
        LITERAL
          INT_NUMBER "92"
        SEMICOLON ";"
      WHITESPACE "\n    "
      FN
        FN_KW "fn"
        WHITESPACE " "
        NAME
          IDENT "foo"
        PARAM_LIST
          L_PAREN "("
          R_PAREN ")"
        WHITESPACE " "
        BLOCK_EXPR
          STMT_LIST
            L_CURLY "{"
            R_CURLY "}"
      WHITESPACE "\n    "
      FN
        FN_KW "fn"
        WHITESPACE " "
        NAME
          IDENT "bar"
        PARAM_LIST
          L_PAREN "("
          SELF_PARAM
            AMP "&"
            NAME
              SELF_KW "self"
          R_PAREN ")"
        WHITESPACE " "
        BLOCK_EXPR
          STMT_LIST
            L_CURLY "{"
            R_CURLY "}"
      WHITESPACE "\n"
      R_CURLY "}"
  WHITESPACE "\n"
