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adding changes suggested by Jonathan Wakely

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This commit is contained in:
Jordan Maples 2020-08-26 16:51:58 -07:00
parent b6451c5db0
commit 4a4bb3c13a
1 changed files with 3 additions and 4 deletions
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7
include/gsl/pointers
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@ -72,7 +72,7 @@ public:
}
template <typename = std::enable_if_t<!std::is_same<std::nullptr_t, T>::value>>
constexpr not_null(T u) : ptr_(u)
constexpr not_null(T u) : ptr_(std::move(u))
{
Expects(ptr_ != nullptr);
}
@ -84,15 +84,14 @@ public:
not_null(const not_null& other) = default;
not_null& operator=(const not_null& other) = default;
constexpr T get() const
constexpr std::conditional_t<std::is_copy_constructible<T>::value, T, const T&> get() const
{
Ensures(ptr_ != nullptr);
return ptr_;
}
constexpr operator T() 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