From: Russell Hind (rhind_at_[hidden])
Date: 2003-03-24 09:18:48
Line 56 of optional.hpp states that Borland ICEs if the union is
un-named. This is correct for C++Builder 5 (0x551), but C++Builder 6
Update 4 (0x564) doesn't have this problem.
Not worth removing it but just thought I'd point it out incase anyone is
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