pub(crate) flycheck_sender: Sender<flycheck::Message>,

pub(crate) flycheck_receiver: Receiver<flycheck::Message>,

pub(crate) last_flycheck_error: Option<String>,

pub(crate) diagnostics_received: bool,

// Test explorer

pub(crate) test_run_session: Option<Vec<flycheck::CargoTestHandle>>,

flycheck_sender,

flycheck_receiver,

last_flycheck_error: None,

diagnostics_received: false,

test_run_session: None,

test_run_sender,

fn handle_flycheck_msg(&mut self, message: flycheck::Message) {

match message {

flycheck::Message::AddDiagnostic { id, workspace_root, diagnostic } => {

if !self.diagnostics_received {

self.diagnostics.clear_check(id);

self.diagnostics_received = true;

}

let snap = self.snapshot();

let diagnostics = crate::diagnostics::to_proto::map_rust_diagnostic_to_lsp(

&self.config.diagnostics_map(),

flycheck::Message::Progress { id, progress } => {

let (state, message) = match progress {

flycheck::Progress::DidStart => {

self.diagnostics.clear_check(id);

self.diagnostics_received = false;

(Progress::Begin, None)

}

flycheck::Progress::DidCheckCrate(target) => (Progress::Report, Some(target)),

flycheck::Progress::DidFinish(result) => {

self.last_flycheck_error =

result.err().map(|err| format!("cargo check failed to start: {err}"));

if !self.diagnostics_received {

self.diagnostics.clear_check(id);

}

(Progress::End, None)

}

};