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From: John Maddock (jz.maddock_at_[hidden])
Date: 2019-08-06 07:52:07
On 06/08/2019 06:46, Frédéric via Boost-users wrote:
> Hi,
>
> I think that some rational constructors can be marked noexcept.
> In particular:
> - default constructor: rational()
> - constructor from integer: rational(const T& n, typename
> enable_if_c<...>::type const* = 0)
Careful: they would have to be conditionally noexcept to support
multiprecision types which may throw on those operations (memory
allocation).
>
> Concerning the constructor with numerator and denominator, if the
> denominator is always not null, it could be noexcept but I guess we
> cannot enforce not null unless we use some kind of gsl::not_null.
>
> Your thoughts?
>
> Thanks,
>
> F
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