// Copyright (c) 2012-2017 VideoStitch SAS// Copyright (c) 2018 stitchEm#pragma once#include <type_traits>/** pseudo: `template <class S = T>, if T is not const` * If T is const already, the specialization is discarded from the overload set instead of causing a compile error. * SFINAE not fully supported by current CUDA and Visual Studio compilers. */#if defined(_MSC_VER) || defined(__CUDACC__) || defined(__APPLE_CC__)#define CLASS_S_EQ_T_ENABLE_IF_S_NON_CONST template <class S = T>#else#define CLASS_S_EQ_T_ENABLE_IF_S_NON_CONST \ template <class S = T, typename std::enable_if<!std::is_const<S>{}>::type* = nullptr>#endif // _MSC_VER
