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fix ctad warning in llvm

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This commit is contained in:
Jordan Maples [MSFT] 2019-11-15 12:11:44 -08:00
parent 71ec9f84d8
commit d0e5daf441
3 changed files with 10 additions and 3 deletions
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9
include/gsl/pointers
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@ -100,7 +100,7 @@ public:
constexpr operator T() const { return get(); } constexpr operator T() const { return get(); }
constexpr T operator->() const { return get(); } constexpr T operator->() const { return get(); }
constexpr decltype(auto) operator*() const { return *get(); } constexpr decltype(auto) operator*() const { return *get(); }
// prevents compilation when someone attempts to assign a null pointer constant // prevents compilation when someone attempts to assign a null pointer constant
not_null(std::nullptr_t) = delete; not_null(std::nullptr_t) = delete;
@ -119,6 +119,13 @@ private:
T ptr_; T ptr_;
}; };
#if (defined(__cplusplus) && (__cplusplus >= 201703L))
// deduction guide to prevent the ctad-maybe-unsupported warning
template <class T>
not_null(T ptr) -> not_null<T>;
#endif (defined(__cplusplus) && (__cplusplus >= 201703L))
template <class T> template <class T>
auto make_not_null(T&& t) { auto make_not_null(T&& t) {
return not_null<std::remove_cv_t<std::remove_reference_t<T>>>{std::forward<T>(t)}; return not_null<std::remove_cv_t<std::remove_reference_t<T>>>{std::forward<T>(t)};

2
tests/no_exception_ensure_tests.cpp
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@ -28,7 +28,7 @@ int operator_subscript_no_throw() noexcept
void setup_termination_handler() noexcept void setup_termination_handler() noexcept
{ {
#if defined(_MSC_VER) #if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
auto& handler = gsl::details::get_terminate_handler(); auto& handler = gsl::details::get_terminate_handler();
handler = &test_terminate; handler = &test_terminate;

2
tests/no_exception_throw_tests.cpp
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@ -28,7 +28,7 @@ int narrow_no_throw()
void setup_termination_handler() noexcept void setup_termination_handler() noexcept
{ {
#if defined(_MSC_VER) #if defined(GSL_MSVC_USE_STL_NOEXCEPTION_WORKAROUND)
auto& handler = gsl::details::get_terminate_handler(); auto& handler = gsl::details::get_terminate_handler();
handler = &test_terminate; handler = &test_terminate;