Correct static_assert. Probably without !.

[lylov]

userver/universal/include/userver/utils/trivial_map.hpp

Line 695 in 8283c2a

!std::is_void_v<Second>,

[segoon]

Hi! Could you clarify a bit? TrivialBiMap asserts that the value type is not void. If it is, the writer might want to use TrivialBiSet instead. @lylov