io: use rvalue-ref for indented ostream operator

2014-07-15 19:48:00 +10:00 · 2014-07-15 19:48:00 +10:00 · 8df51f7830
commit 8df51f7830
parent a9af10ec42
1 changed files with 1 additions and 1 deletions
--- a/io.ipp
+++ b/io.ipp
@ -22,7 +22,7 @@ namespace util {

 template <typename T>
 std::ostream&
-operator<< (std::ostream &os, const util::indented<T> &v) {
+operator<< (std::ostream &os, const util::indented<T> &&v) {
    util::indenter raii (os);
    os << v.data;
    return os;