Re: Conformance (SE2.2 beta #5)

Howard Thomson wrote:

>Hi all,
>
>I have an error message from SE about rejected conformance:
>
>****** Fatal Error: Cannot pass `sorter' which is of type 
>SB_H_ARRAY_SORTER[SB_FILE_LIST_ITEM]
>into formal type SB_SORTER[SB_FILE_LIST_ITEM].
>Line 35 column 25 in SB_SORTABLE_ITEM_CONTAINER 
>(/data/eiffel/lib/gui/sb/no-BIT/widgets_mods/sb_sortable_item_container.e):
>   set_items_sorter(sort: like items_sorter) is
>                          ^
>Line 101 column 21 in SB_FILE_LIST_DEF 
>(/data/eiffel/lib/gui/sb/no-BIT/widgets_mods/sb_file_list_def.e):
>         set_items_sorter(sorter)                       -- ???
>                          ^
>
>I have checked that SB_H_ARRAY_SORTER inherits (indirectly) from SB_SORTER, 
>and the generic parameter (SB_FILE_LIST_ITEM) is effectively the same in 
>each.
>
>Can anyone explain, succinctly, whether there are any circumstances where the 
>above conformance should fail?
>  
>
I can see 2 points to check first:
- verify that inherit is used, not insert
- verify files really loaded with -verbose flag for classes 
SB_H_ARRAY_SORTER, SB_SORTER and intermediate ones.

Best regards,

-- 
Philippe Ribet



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