Reduce some general usings a bit.

diff --git a/src/dcp_time.cc b/src/dcp_time.cc
index 0bd0a4096c96d47f5e0d74421ceeeabf1f31dbc0..e21eaf2794aa8d37ef25c0705f2f547d8ceb5018 100644 (file)
--- a/src/dcp_time.cc
+++ b/src/dcp_time.cc
@@ -49,8 +49,11 @@
 #include <cmath>
 
 
-using namespace std;
-using namespace boost;
+using std::ostream;
+using std::string;
+using std::vector;
+using boost::is_any_of;
+using boost::optional;
 using namespace dcp;