[Mono-bugs] [Bug 558305] Can't call empty partial methods

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Thu Nov 26 15:16:50 EST 2009



--- Comment #3 from Dan Shechter <dans at houmus.org> 2009-11-26 20:16:46 UTC ---
The correct error is:
BookCatalog.cs(1708,9): error CS1502: The best overloaded method match for
`BookCatalogDtoExtensions.BeforeCopyAuthor(Author,AuthorDto)' has some invalid
BookCatalog.cs(1692,27): (Location of the symbol related to previous error)
BookCatalog.cs(1708,9): error CS1503: Argument `#1' cannot convert `AuthorDto'
expression to type `Author'

Line 1708 is:
      private static void CopyAuthor(AuthorDto dto, Author entity)
        BeforeCopyAuthor(dto, entity);
        CopyBookCatalogDtoBase(dto, entity);
        entity.Name = dto.Name;
        entity.Code = dto.Code;
        AfterCopyAuthor(dto, entity);

Line 1692 is:
      static partial void BeforeCopyAuthor(Author entity, AuthorDto dto);

which seems like the compiler is complaining justly..
Except that line 1694 is:
      static partial void BeforeCopyAuthor(AuthorDto dto, Author entity);

Which makes this whole error very wierd.

The problem is that if I copy the project "aside" to /tmp, and retry compiling
it... I'm not getting the Error!
Which makes this indeed very hard to reproduce.

I hope this can somehow help you see the issue.
I'll go on trying to reproduce this...

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