1 files changed, 24 insertions, 0 deletions
diff --git a/src/libutil/result.hh b/src/libutil/result.hh
new file mode 100644
index 000000000..b01766fe4
--- /dev/null
+++ b/src/libutil/result.hh
@@ -0,0 +1,24 @@
+#pragma once
+/// @file
+
+#include <boost/outcome/std_outcome.hpp>
+#include <boost/outcome/std_result.hpp>
+#include <boost/outcome/success_failure.hpp>
+#include <exception>
+
+namespace nix {
+
+template<typename T, typename E = std::exception_ptr>
+using Result = boost::outcome_v2::std_result<T, E>;
+
+template<typename T, typename D, typename E = std::exception_ptr>
+using Outcome = boost::outcome_v2::std_outcome<T, D, E>;
+
+namespace result {
+
+using boost::outcome_v2::success;
+using boost::outcome_v2::failure;
+
+}
+
+}