Re: [boost] review request: addition to type_traits library of has_operator_xxx

Subject: Re: [boost] review request: addition to type_traits library of has_operator_xxx
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2010-11-17 09:58:42

Jeffrey Lee Hellrung, Jr. wrote:
>
> One thing that I've either found useful is to have an additional
> template parameter in addition to the parameter types and the return
> type, which is a Boost.MPL metapredicate intended to be
> applied to the actual result of the operation.  The trait then
> evaluates to true only if the actual result type satisfies the given
> Boost.MPL metapredicate.

Perhaps checking for convertible-to-return-type could be the default predicate rather than adding another template parameter?

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

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