From 94e98b452130115fd76aea12b978d9e0bfd77a88 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Fri, 16 Aug 2019 19:45:45 +0300
Subject: Make load_default_options() to throw pair<path, system_error> instead
 of system_error

---
 libbutl/default-options.mxx | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'libbutl/default-options.mxx')

diff --git a/libbutl/default-options.mxx b/libbutl/default-options.mxx
index d7aa70b..62c7f92 100644
--- a/libbutl/default-options.mxx
+++ b/libbutl/default-options.mxx
@@ -7,7 +7,8 @@
 #endif
 
 #ifndef __cpp_lib_modules_ts
-#include <utility> // move(), forward()
+#include <utility>      // move(), forward(), make_pair()
+#include <system_error>
 #endif
 
 // Other includes.
@@ -63,8 +64,9 @@ LIBBUTL_MODEXPORT namespace butl
   //
   // void (const path&, bool remote)
   //
-  // Throw std::system_error on the underlying OS error and pass through
-  // exceptions thrown by the options scanner/parser.
+  // Throw `pair<path, system_error>` on the underlying OS error with the
+  // first half referring the filesystem entry the error relates to and pass
+  // through exceptions thrown by the options scanner/parser.
   //
   // Search order:
   //
-- 
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