the `std::visit` implementation for cista variants should return a value

[siapran]

see:

cista/include/cista/containers/variant.h

Line 443 in 99b4f5c

v.apply(vis);

[siapran]

the signature also only accepts variant rvalues:

cista/include/cista/containers/variant.h

Line 442 in 99b4f5c

constexpr auto visit(Visitor&& vis, cista::variant<T...>&& v) {

[felixguendling]

Can you please create a PR to fix those issues? Thank you! :)

[Ni-Guvara]

can i fix those issues?

[felixguendling]

Yes, sure.