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Merge pull request #21081 from alalek:issue_17261

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Alexander Alekhin 2021-11-18 18:22:59 +00:00
commit 091461cece
1 changed files with 3 additions and 3 deletions
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6
modules/core/include/opencv2/core/cvstd_wrapper.hpp
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@ -42,11 +42,11 @@ struct has_parenthesis_operator
{
private:
template<typename T>
static CV_CONSTEXPR std::true_type check(typename std::is_same<typename std::decay<decltype(std::declval<T>().operator()(std::declval<Args>()...))>::type, Ret>::type*);
static CV_CONSTEXPR std::true_type has_parenthesis_operator_check(typename std::is_same<typename std::decay<decltype(std::declval<T>().operator()(std::declval<Args>()...))>::type, Ret>::type*);
template<typename> static CV_CONSTEXPR std::false_type check(...);
template<typename> static CV_CONSTEXPR std::false_type has_parenthesis_operator_check(...);
typedef decltype(check<C>(0)) type;
typedef decltype(has_parenthesis_operator_check<C>(0)) type;
public:
#if __cplusplus >= 201103L || (defined(_MSC_VER) && _MSC_VER >= 1900/*MSVS 2015*/)