1 files changed, 12 insertions, 0 deletions
diff --git a/libbutl/utility.ixx b/libbutl/utility.ixx
index cec61c8..d703211 100644
--- a/libbutl/utility.ixx
+++ b/libbutl/utility.ixx
@@ -4,6 +4,18 @@
 
 namespace butl
 {
+  inline bool
+  eof (std::istream& is)
+  {
+    if (!is.fail ())
+      return false;
+
+    if (is.eof ())
+      return true;
+
+    throw std::istream::failure ("");
+  }
+
   inline char
   ucase (char c)
   {