Merge branch 'subway'

1 files changed, 7 insertions, 5 deletions

@@ -1,7 +1,7 @@
 #ifndef VERSION_H_C757E53C
 #define VERSION_H_C757E53C
 
-#include <iostream>
+#include <sstream>
 #include <regex>
 
 struct Version {
@@ -23,6 +23,12 @@ struct Version {
     }
   }
 
+  std::string ToString() const {
+    std::ostringstream output;
+    output << "v" << major << "." << minor << "." << revision;
+    return output.str();
+  }
+
   bool operator<(const Version& rhs) const {
     return (major < rhs.major) ||
            (major == rhs.major &&
@@ -31,10 +37,6 @@ struct Version {
   }
 };
 
-std::ostream& operator<<(std::ostream& out, const Version& ver) {
-  return out << "v" << ver.major << "." << ver.minor << "." << ver.revision;
-}
-
 constexpr const Version kTrackerVersion = Version(0, 9, 2);
 
 #endif /* end of include guard: VERSION_H_C757E53C */
\ No newline at end of file