system/home/progs/nvim/coc_settings.nix

{
  # General
  coc.source = {
    around.enable = true;
    buffer.enable = true;
    file.enable = false;
  };

  # LSP
  languageserver = {
    nix = {
      command = "rnix-lsp";
      filetypes = [ "nix" ];
    };
  };

  # Rust
  "rust-analyzer.checkOnSave.command" = "clippy";
}