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-rw-r--r--lib/stream_support.hpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/stream_support.hpp b/lib/stream_support.hpp
index a3565d8..6a3c2cf 100644
--- a/lib/stream_support.hpp
+++ b/lib/stream_support.hpp
@@ -21,8 +21,9 @@ namespace std {
{
s << '(';
for (const auto & i : v) {
- if (&i != &v.front())
+ if (&i != &v.front()) {
s << ", ";
+ }
s << i;
}
return s << ')';