Function rustc_query_impl::make_query::projection_ty_from_predicates

pub fn projection_ty_from_predicates<'tcx>(
    tcx: QueryCtxt<'tcx>, 
    key: projection_ty_from_predicates<'tcx>
) -> QueryStackFrame

[query description - consider adding a doc-comment!] finding projection type inside predicates of tcx.def_path_str(key.0)