wrapping namespace

c++-mode/d_operator<<

@@ -2,4 +2,4 @@
 # name: d_operator<<
 # key: <<
 # --
-friend ostream& operator<<(ostream&, const ${1:Class}&);
+friend std::ostream& operator<<(std::ostream&, const ${1:Class}&);

c++-mode/namespace

@@ -0,0 +1,9 @@
+# -*- mode: snippet -*-
+# name: namespace
+# key: ns
+# --
+namespace ${1:Namespace} {
+          
+          `yas/selected-text`
+
+}

c++-mode/operator<<.yasnippet

@@ -3,7 +3,7 @@
 # key: <<
 # contributor: Andrea crotti
 # --
-ostream& operator<<(ostream& s, const ${1:type}& ${2:c})
+std::ostream& operator<<(std::ostream& s, const ${1:type}& ${2:c})
 {
          $0
          return s;