std::basic_string_view::empty
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< cpp | string | basic string view
constexpr bool empty() const noexcept; |
(since C++17) (until C++20) |
|
[[nodiscard]] constexpr bool empty() const noexcept; |
(since C++20) | |
Checks if the view has no characters, i.e. whether size() == 0
.
Contents |
[edit] Parameters
(none)
[edit] Return value
true if the view is empty, false otherwise
[edit] Complexity
Constant.
[edit] See also
returns the number of characters (public member function) | |
returns the maximum number of characters (public member function) |