1 files changed, 4 insertions, 0 deletions
diff --git a/src/buildtool/build_engine/expression/configuration.hpp b/src/buildtool/build_engine/expression/configuration.hpp
index c19baa01..e08a35d0 100644
--- a/src/buildtool/build_engine/expression/configuration.hpp
+++ b/src/buildtool/build_engine/expression/configuration.hpp
@@ -137,6 +137,10 @@ class Configuration {
         return expr_->Map().Find(x).has_value();
     }
 
+    [[nodiscard]] auto Expr() const& -> ExpressionPtr const& { return expr_; }
+
+    [[nodiscard]] auto Expr() && -> ExpressionPtr { return std::move(expr_); }
+
   private:
     ExpressionPtr expr_{Expression::kEmptyMap};
 };