Re: [boost] [Review] Type Traits Extension ending tomorrow

Subject: Re: [boost] [Review] Type Traits Extension ending tomorrow
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2011-03-18 13:12:58

John Maddock wrote:
>
> >> I'd prefer is_plus_assignable if we go that route.
> >
> > is_add_assignable
> >
> > (The operation is addition followed by assignment, not plus
> > followed by assignment.)
>
> How do you pronounce C++ ? ;-)

If you're going that route, then it's is_plus_equal-able, not is_plus_assignable!

However, += is the add-and-assign operator, even if you might read the symbol aloud as plus-equal.

For grins, I consulted _C: A Reference Manual_ by Harbison and Steele, an old C book I have on my shelf.  They use these names (in the index only):

+= assign sum
-= assign difference
*= assign product
/= assign quotient

That would lead to traits names like these:

can_assign_sum
can_assign_difference
can_assign_product
can_assign_quotient

TCPL uses the following names:

+= add and assign
-= subtract and assign
*= multiply and assign
/= divide and assign

That leads, of course to names like these:

can_add_and_assign
can_subtract_and_assign
can_multiply_and_assign
can_divide_and_assign

Those names don't match the concept names, as Joachim suggested, but they read well.

_____
Rob Stewart                           robert.stewart_at_[hidden]
Software Engineer                     using std::disclaimer;
Dev Tools & Components
Susquehanna International Group, LLP  http://www.sig.com

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