And before someone says "that's impossible, even vanilla macOS development forces you to use Xcode", nope that's not true. You can compile macOS apps with clang just fine.
https://github.com/OmniSharp/omnisharp-vim
And before someone says "that's impossible, even vanilla macOS development forces you to use Xcode", nope that's not true. You can compile macOS apps with clang just fine.