diff options
| -rw-r--r-- | src/libutil/meson.build | 1 | ||||
| -rw-r--r-- | src/libutil/result.hh | 24 |
2 files changed, 25 insertions, 0 deletions
diff --git a/src/libutil/meson.build b/src/libutil/meson.build index 1ac31c7eb..a3f21de59 100644 --- a/src/libutil/meson.build +++ b/src/libutil/meson.build @@ -105,6 +105,7 @@ libutil_headers = files( 'regex-combinators.hh', 'regex.hh', 'repair-flag.hh', + 'result.hh', 'serialise.hh', 'shlex.hh', 'signals.hh', 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; + +} + +} |