Function rustc_query_impl::make_query::eval_to_valtree
source · [−]pub fn eval_to_valtree<'tcx>(
tcx: QueryCtxt<'tcx>,
key: eval_to_valtree<'tcx>
) -> QueryStackFrameExpand description
Evaluate a constant and convert it to a type level constant or
return None if that is not possible.