Change std::vector to std::initializer_list

src/glow/objects/Program.hh

@@ -246,9 +246,9 @@ public:
     /// Configures this shader for use with transform feedback
     /// NOTE: cannot be done while shader is in use
     void configureTransformFeedback(cc::span<std::string const> varyings, GLenum bufferMode = GL_INTERLEAVED_ATTRIBS);
-    void configureTransformFeedback(std::vector<std::string> const& varyings, GLenum bufferMode = GL_INTERLEAVED_ATTRIBS)
+    void configureTransformFeedback(std::initializer_list<std::string> varyings, GLenum bufferMode = GL_INTERLEAVED_ATTRIBS)
     {
-        configureTransformFeedback(cc::span(varyings), bufferMode);
+        configureTransformFeedback(cc::span(varyings.begin(), varyings.size()), bufferMode);
     }
     /// Returns true if transform feedback can be used
     bool isConfiguredForTransformFeedback() const { return mTransformFeedbackVaryings.size() > 0; }