From 3473cc68f59911cb6659634fdc577f882c8128de Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Thu, 15 Sep 2016 17:06:24 +0300
Subject: Add io_error alias for std::ios_base::failure

---
 build2/types | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'build2/types')

diff --git a/build2/types b/build2/types
index c90b779..19fe888 100644
--- a/build2/types
+++ b/build2/types
@@ -17,7 +17,7 @@
 #include <functional>       // function, reference_wrapper
 #include <initializer_list>
 
-
+#include <ios>           // ios_base::failure
 #include <exception>     // exception
 #include <stdexcept>     // logic_error, invalid_argument, runtime_error
 #include <system_error>
@@ -70,6 +70,7 @@ namespace build2
   using std::invalid_argument;
   using std::runtime_error;
   using std::system_error;
+  using io_error = std::ios_base::failure;
 
   // <butl/optional>
   //
-- 
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