27 Jun
2019
27 Jun
'19
7:32 p.m.
On 6/27/19 8:43 AM, Andrey Semashev via Boost wrote: - From the caller's perspective, a noexcept function will never throw.
In anycase I should have phrased the above as:
Is swap guaranteed to succeed?
In general, no. It is only guaranteed to succeed if it is noexcept. See above when it is noexcept.
A... - I'm still confused. How can one say that swap is guaranteed to succeed when it can result in calling terminate()? In C++17 there is is_nothrow_swappbale trait
that allows to test this. this leads to useful information
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