1 use rustc_middle::mir::visit::Visitor;
2 use rustc_middle::mir::{Constant, Location};
3 use rustc_middle::ty::ConstKind;
5 pub struct UnevalConstSetVisitor<'a, 'tcx> {
6 uneval_consts: &'a mut Vec<Constant<'tcx>>,
9 impl<'a, 'tcx> UnevalConstSetVisitor<'a, 'tcx> {
10 pub fn new(uneval_consts: &'a mut Vec<Constant<'tcx>>) -> Self {
11 UnevalConstSetVisitor { uneval_consts }
15 impl<'a, 'tcx> Visitor<'tcx> for UnevalConstSetVisitor<'a, 'tcx> {
16 fn visit_constant(&mut self, constant: &Constant<'tcx>, _: Location) {
17 let const_kind = constant.literal.val;
19 if let ConstKind::Unevaluated(_, _, _) = const_kind {
20 self.uneval_consts.push(*constant);