{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"self.workspaces.iter().filter_map(|ws|"}]}
        self.workspaces.iter().filter_map(|ws| {
    pub(crate) fn check_workspaces_msrv(&self) -> impl Iterator<Item = String> + '_ {
            if let Some(toolchain) = &ws.toolchain {