[Issue 17733] idup fails for structs/classes with member functions

via Digitalmars-d-bugs digitalmars-d-bugs at puremagic.com
Tue Aug 8 11:49:04 PDT 2017


https://issues.dlang.org/show_bug.cgi?id=17733

Steven Schveighoffer <schveiguy at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |schveiguy at yahoo.com
         Resolution|---                         |INVALID

--- Comment #1 from Steven Schveighoffer <schveiguy at yahoo.com> ---
This is because in the first case, S has a hidden context pointer to the stack
frame of main().

If you mark it as a static struct, you will not have this problem.

Note that the ultimate reason it fails is because any items that have
indirections cannot be implicitly converted to immutable.

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