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-rw-r--r--src/libutil/util.hh7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libutil/util.hh b/src/libutil/util.hh
index 6c83987c5d46..86c65b763d00 100644
--- a/src/libutil/util.hh
+++ b/src/libutil/util.hh
@@ -319,7 +319,12 @@ template<class N> bool string2Int(const string & s, N & n)
     return str && str.get() == EOF;
 }
 
-string int2String(int n);
+template<class N> string int2String(N n)
+{
+    std::ostringstream str;
+    str << n;
+    return str.str();
+}
 
 
 /* Return true iff `s' ends in `suffix'. */