Function rustc_trait_selection::error_reporting::infer::region::msg_span_from_named_region
source ยท fn msg_span_from_named_region<'tcx>(
tcx: TyCtxt<'tcx>,
generic_param_scope: LocalDefId,
region: Region<'tcx>,
alt_span: Option<Span>,
) -> (String, Option<Span>)