C++ Weekly - Ep 266 - C++20's std::shift_left and std::shift_right

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Комментарии
Автор

Does this happen because the algorithm applies std::move to the vector elements? Thanks:)

nikita-wyzx
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The example doesn’t show that shift_left returns an end iterator and shift_right a begin iterator, which you need to erase the elements you moved from.

headlibrarian
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Will you make a video about the new thread synchronisation stuff from C++20? Like waitable atomics, semaphores etc.

chachasenri
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Ooh a printed copy of the book? Awesome!

superscatboy
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it's either Minecraft Jason, or Money For Nothing (Checks For Free) Jason! (Kinda dates me doesn't it?)

treyquattro
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This is a question that I've been unshure about: is it ok to implement operators for std-templates like std::vector<int> or std::variant<...>? Do they need to be in a namespace? It would be a good topic for a video.

I wrote the following code in some project

using my_type = std::variant
<
type_a,
type_b,
type_c
>;

std::ostream& operator<<(std::ostream& out, my_type const& m)
{
std::visit([&](auto const& m1)
{
out << m1;
}, m);
return out;
}

cmdlp