1.
"Each type specified as a bounded type must satisfy the
BoundedType requirements. Note that variant itself satisfies
BoundedType requirements with default construction. "
a. What does the phrase "with default construction" mean above?
b. Would it be possible to reduce the requirements a bit? For
example, it seems to me that if you don't need your variant to
be assignable, you probably don't need assignability of the
component elements. This question is not motivated by any need
on my part; I'm just askin'.
2.
"All members of variant satisfy the strong guarantee of
exception-safety."
Seriously? What if an underlying type's assignment operator gives
only the basic guarantee? Surely, if you in fact use the
underlying type's assignment operator you can't give the strong
guarantee?
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
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