layers:Remove "using namespace std" statement

Remove "using namespace std;" statement from core validation. This is
prohibited in the coding standard. Replace with specific "using"
statements for the parts of std that we use.

1 files changed, 5 insertions, 2 deletions

diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 52a0785b..7594ca11 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -82,12 +82,15 @@
 // This intentionally includes a cpp file
 #include "vk_safe_struct.cpp"
 
-using namespace std;
-
 namespace core_validation {
 
 using std::unordered_map;
 using std::unordered_set;
+using std::unique_ptr;
+using std::vector;
+using std::string;
+using std::stringstream;
+using std::max;
 
 // WSI Image Objects bypass usual Image Object creation methods.  A special Memory
 // Object value will be used to identify them internally.